財務報表-損益表 / 單位(千)元 
                        | 
                     
                    
                      請選擇全年/半年報表
                          
                         
                        | 
                     
                    
                       
					  				  
					 全年報 	
   
                          
                            | 項目/年度 | 
                            89 | 
                            88 | 
                            87 | 
                            90 | 
                            92 | 
                            93 | 
                             
												                          						                     
                            | 營業收入 | 
                            368,576 | 
                            268,351 | 
                            265,055 | 
                            394,416 | 
                            401,927 | 
                            457,283 | 
       
														                          						                     
                            | 營業成本 | 
                            304,232 | 
                            213,802 | 
                            213,977 | 
                            334,947 | 
                            335,103 | 
                            380,706 | 
       
														                          						                     
                            | 營業毛利損 | 
                            64,344 | 
                            54,549 | 
                            51,078 | 
                            59,469 | 
                            66,824 | 
                            76,577 | 
       
														                          						                     
                            | 營業費用 | 
                            37,944 | 
                            30,866 | 
                            27,395 | 
                            33,598 | 
                            36,906 | 
                            43,076 | 
       
														                          						                     
                            | 營業損益 | 
                            26,400 | 
                            23,683 | 
                            23,683 | 
                            25,871 | 
                            29,918 | 
                            33,501 | 
       
														                          						                     
                            | 營業外收入 | 
                            14,246 | 
                            3,613 | 
                            9,549 | 
                            8,173 | 
                            12,933 | 
                            15,248 | 
       
														                          						                     
                            | 營業外支出 | 
                            29,190 | 
                            22,228 | 
                            20,913 | 
                            20,940 | 
                            13,920 | 
                            9,948 | 
       
														                          						                     
                            | 稅前損益 | 
                            9,656 | 
                            5,068 | 
                            9,732 | 
                            13,104 | 
                            28,931 | 
                            38,801 | 
       
														                          						                     
                            | 所得稅費用利益 | 
                            3,790 | 
                            63 | 
                            3,095 | 
                            6,230 | 
                            5,500 | 
                            8,630 | 
       
														                          						                     
                            | 稅後損益 | 
                            5,866 | 
                            5,005 | 
                            6,637 | 
                            6,874 | 
                            23,431 | 
                            30,171 | 
       
														                          						                     
                            | 期末股本 | 
                            172,928 | 
                            170,594 | 
                            148,342 | 
                            178,983 | 
                            - - | 
                            213,931 | 
       
														                          						                     
                            | 普通股每股盈餘 | 
                            0.339 | 
                            0.290 | 
                            0.490 | 
                            0.370 | 
                            1.210 | 
                            1.410 | 
       
														                          						                     
                            | 簡單每股盈餘 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
       
														                          						                     
                            | 完全稀釋每股盈餘 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
       
								  	                        
                           	
				
					   
					   | 
                     
                    
                      |   | 
                     
                   
                 
                
                  
                    
                      財務報表-資產負債表 / 單位(千)元  | 
                     
                    
                      請選擇全年/半年報表
                        
                        
                        | 
                     
                     
                       
					    全年報
                        
                          
                            | 項目/年度 | 
                            88 | 
                            89 | 
                            90 | 
                            91 | 
                            92 | 
                            93 | 
                           
						  
						  
                          
                            | 流動資產 | 
                            260,876 | 
                            319,875 | 
                            260,875 | 
                            278,658 | 
                            265,257 | 
                            293,031 | 
                           
                  		  
                          
                            | 現金及約當現金 | 
                            - - | 
                            - - | 
                            10,485 | 
                            15,741 | 
                            44,830 | 
                            23,917 | 
                           
                  		  
                          
                            | 短期投資 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收票據淨額 | 
                            - - | 
                            - - | 
                            14,870 | 
                            34,595 | 
                            45,690 | 
                            36,559 | 
                           
                  		  
                          
                            | 應收短期票據 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收票據–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應收帳款淨額 | 
                            - - | 
                            - - | 
                            72,727 | 
                            95,217 | 
                            82,955 | 
                            81,774 | 
                           
                  		  
                          
                            | 應收帳款–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他應收款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他應收款項–關係人 | 
                            - - | 
                            - - | 
                            78,140 | 
                            49,667 | 
                            26,166 | 
                            65,367 | 
                           
                  		  
                          
                            | 存貨 | 
                            - - | 
                            - - | 
                            54,076 | 
                            50,093 | 
                            45,458 | 
                            61,585 | 
                           
                  		  
                          
                            | 預付款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 預付費用 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他流動資產 | 
                            - - | 
                            - - | 
                            30,577.000 | 
                            33,345.000 | 
                            20,158.000 | 
                            23,285.000 | 
                           
                  		  
                          
                            | 基金及長期投資 | 
                            11,009 | 
                            16,561 | 
                            28,756 | 
                            33,638 | 
                            44,921 | 
                            50,780 | 
                           
                  		  
                          
                            | 長期投資 | 
                            11,009 | 
                            16,561 | 
                            28,756 | 
                            33,638 | 
                            44,921 | 
                            50,780 | 
                           
                  		  
                          
                            | 固定資產 | 
                            134,336 | 
                            117,752 | 
                            112,286 | 
                            121,918 | 
                            138,372 | 
                            147,547 | 
                           
                  		  
                          
                            | 無形資產 | 
                            1,277 | 
                            1,837 | 
                            690 | 
                            821 | 
                            54 | 
                            - - | 
                           
                  		  
                          
                            | 其他資產 | 
                            30,955 | 
                            25,837 | 
                            23,425 | 
                            24,914 | 
                            38,952 | 
                            40,932 | 
                           
                  		  
                          
                            | 存出保證金 | 
                            - - | 
                            - - | 
                            486 | 
                            2,823 | 
                            50 | 
                            57 | 
                           
                  		  
                          
                            | 遞延費用 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            3,908 | 
                           
                  		  
                          
                            | 遞延所得稅資產 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他資產–其它 | 
                            - - | 
                            - - | 
                            22,939 | 
                            22,091 | 
                            38,902 | 
                            36,967 | 
                           
                  		  
                          
                            | 資產總額 | 
                            438,453 | 
                            481,862 | 
                            426,032 | 
                            459,949 | 
                            487,556 | 
                            532,290 | 
                           
                  		  
                          
                            | 負債及股東權益總額 | 
                            438,453 | 
                            481,862 | 
                            426,032 | 
                            459,949 | 
                            487,556 | 
                            532,290 | 
                           
                  		  
                          
                            | 流動負債 | 
                            207,140 | 
                            261,738 | 
                            200,392 | 
                            226,395 | 
                            228,526 | 
                            247,187 | 
                           
                  		  
                          
                            | 短期借款 | 
                            - - | 
                            - - | 
                            112,218 | 
                            152,181 | 
                            153,946 | 
                            179,976 | 
                           
                  		  
                          
                            | 應付短期票券 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付票據 | 
                            - - | 
                            - - | 
                            31,426 | 
                            11,658 | 
                            7,601 | 
                            17,991 | 
                           
                  		  
                          
                            | 應付票據–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付帳款 | 
                            - - | 
                            - - | 
                            16,667 | 
                            19,662 | 
                            8,809 | 
                            6,699 | 
                           
                  		  
                          
                            | 應付帳款–關係人淨額 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 應付所得稅 | 
                            - - | 
                            - - | 
                            2,581 | 
                            1,116 | 
                            3,040 | 
                            3,615 | 
                           
                  		  
                          
                            | 應付費用 | 
                            - - | 
                            - - | 
                            5,594 | 
                            6,775 | 
                            20,321 | 
                            15,819 | 
                           
                  		  
                          
                            | 其他應付款項–關係人 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他應付款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 一年或一營業週期內到期長期負債 | 
                            - - | 
                            - - | 
                            30,924 | 
                            33,674 | 
                            26,752 | 
                            20,781 | 
                           
                  		  
                          
                            | 預收款項 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 其他流動負債 | 
                            - - | 
                            - - | 
                            982 | 
                            1,329 | 
                            8,057 | 
                            2,306 | 
                           
                  		  
                          
                            | 長期負債 | 
                            53,434 | 
                            32,695 | 
                            31,914 | 
                            27,322 | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 長期借款 | 
                            53,434 | 
                            32,695 | 
                            31,914 | 
                            27,322 | 
                            33,113 | 
                            31,038 | 
                           
                  		  
                          
                            | 其他負債 | 
                            - - | 
                            - - | 
                            7,498 | 
                            7,010 | 
                            7,342 | 
                            8,644 | 
                           
                  		  
                          
                            | 負債總額 | 
                            262,717 | 
                            300,831 | 
                            239,804 | 
                            260,727 | 
                            268,981 | 
                            286,869 | 
                           
                  		  
                          
                            | 股本 | 
                            170,594 | 
                            172,928 | 
                            178,983 | 
                            184,860 | 
                            193,000 | 
                            213,931 | 
                           
                  		  
                          
                            | 普通股股本 | 
                            170,594 | 
                            172,928 | 
                            178,983 | 
                            184,860 | 
                            193,000 | 
                            213,931 | 
                           
                  		  
                          
                            | 股本–其它 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 待分配股票股利 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 資本公積 | 
                            908 | 
                            1,822 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 保留盈餘 | 
                            5,318 | 
                            6,018 | 
                            8,435 | 
                            15,610 | 
                            27,554 | 
                            36,146 | 
                           
                  		  
                          
                            | 法定盈餘公積 | 
                            - - | 
                            - - | 
                            1,561 | 
                            2,248 | 
                            3,584 | 
                            5,927 | 
                           
                  		  
                          
                            | 未提撥保留盈餘 | 
                            5,318 | 
                            6,018 | 
                            6,874 | 
                            13,362 | 
                            23,970 | 
                            30,219 | 
                           
                  		  
                          
                            | 未實現長期股權投資損失 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 累積換算調整數 | 
                             | 
                            264 | 
                             | 
                             | 
                             | 
                             | 
                           
                  		  
                          
                            | 金融商品未實現損益 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 未認列為退休金成本之淨損失 | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                            - - | 
                           
                  		  
                          
                            | 股東權益總額 | 
                            175,736 | 
                            181,031 | 
                            186,228 | 
                            199,222 | 
                            218,575 | 
                            245,421 | 
                           
                         
						 
						 
                         
						
							 
                        | 
                     
                    
                      |   | 
                     
                   
                 
                
 
                |