Geographic and Segment Information - Schedule of Operating Segments (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting Information [Line Items]        
Total net sales $ 192,296 $ 154,382 $ 507,507 $ 481,282
Total gross profit 39,139 34,699 110,137 104,962
Operating Segments [Member] | Foundry Services Group [Member]        
Segment Reporting Information [Line Items]        
Total net sales 73,863 71,471 196,152 224,953
Total gross profit 17,340 18,681 45,820 51,241
Operating Segments [Member] | Standard Products Group [Member]        
Segment Reporting Information [Line Items]        
Total net sales 118,325 82,720 310,921 255,823
Total gross profit 21,691 15,827 64,836 53,216
Operating Segments [Member] | Standard Products Group [Member] | Display Solutions [Member]        
Segment Reporting Information [Line Items]        
Total net sales 84,706 48,314 217,171 153,585
Operating Segments [Member] | Standard Products Group [Member] | Power Solutions [Member]        
Segment Reporting Information [Line Items]        
Total net sales 33,619 34,406 93,750 102,238
Other Non Segment [Member]        
Segment Reporting Information [Line Items]        
Total net sales 108 191 434 506
Total gross profit $ 108 $ 191 $ (519) $ 505