XML 205 R97.htm IDEA: XBRL DOCUMENT v3.20.1
Operating Costs and Expenses - Summary of Operating Costs and Expenses (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2019
TWD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
TWD ($)
Dec. 31, 2017
TWD ($)
Analysis of income and expense [abstract]        
Change of finished goods and work in process       $ 31,977
Raw materials and supplies used $ 3,575,283   $ 3,079,909 3,036,350
Employee benefit expenses 6,075,773   5,606,833 5,895,778
Depreciation expenses 3,731,914   3,376,579 2,899,278
Others 4,590,720   4,464,499 4,530,425
Total operating costs and expenses 17,973,690   16,527,820 16,393,808
Employee benefit expenses        
Salaries 5,114,790   4,628,039 4,847,433
Director's remuneration 26,266   18,456 27,276
Labor and health insurance 422,106   406,111 390,788
Pension 194,173   201,567 198,502
Share-based payments 822 $ 27 41,043 123,021
Other personnel expenses 317,616   311,617 308,758
Total Employee benefit expenses $ 6,075,773   $ 5,606,833 $ 5,895,778