CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Dec. 31, 2015
Oct. 03, 2015
Jul. 04, 2015
Apr. 04, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Statement of Comprehensive Income [Abstract]                      
Net income (loss) $ 6,663 $ 54,755 $ 41,646 $ (27,577) $ 9,064 $ 41,711 $ 30,372 $ (48,859) $ 75,487 $ 32,288 $ (31,269)
Other comprehensive (loss) income, net of tax:                      
Currency translation                 2,950 (14,690) (9,681)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 29 (465) 1,294
Minimum pension liability for actuarial gain (loss)                 295 (1,436) (8,374)
Other comprehensive income (loss)                 3,274 (16,591) (16,761)
Comprehensive income (loss)                 $ 78,761 $ 15,697 $ (48,030)