XML 86 R90.htm IDEA: XBRL DOCUMENT v3.20.1
Segment Information - Schedule of Impact on Application of IFRS (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
TWD ($)
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Interest expense increased $ 14,349
Testing [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 7,631
Interest expense increased 4,207
Assembly [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 6,035
Interest expense increased 3,260
LCDD [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 10,703
Interest expense increased 5,862
Bumping [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 1,137
Interest expense increased 492
Others [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 5,808
Interest expense increased 319
Elimination [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 0
Interest expense increased 0
Total Continuous operations [member]  
Disclosure of expected impact of initial application of new standards or interpretations [line items]  
Depreciation expenses increased 31,314
Interest expense increased $ 14,140