Accumulated Other Comprehensive Items - Components of AOCI on the Balance Sheet (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 267,945	$ 265,459	$ 270,421
Ending balance	284,279	267,945	265,459
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(27,932)
Other comprehensive loss before reclassifications	(13,162)
Reclassifications from AOCI	0
Net current period other comprehensive (loss) income	(13,162)
Ending balance	(41,094)	(27,932)
Unrecognized Prior Service Cost
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(489)
Other comprehensive loss before reclassifications	(3)
Reclassifications from AOCI	95
Net current period other comprehensive (loss) income	92
Ending balance	(397)	(489)
Deferred Loss on Pension and Other Post-Retirement Benefit Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(8,322)
Other comprehensive loss before reclassifications	(294)
Reclassifications from AOCI	458
Net current period other comprehensive (loss) income	164
Ending balance	(8,158)	(8,322)
Deferred (Loss) Gain on Hedging Instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(229)
Other comprehensive loss before reclassifications	(170)
Reclassifications from AOCI	411
Net current period other comprehensive (loss) income	241
Ending balance	12	(229)
Accumulated Other Comprehensive Items
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(36,972)	(17,146)	710
Other comprehensive loss before reclassifications	(13,629)
Reclassifications from AOCI	964
Net current period other comprehensive (loss) income	(12,665)
Ending balance	$ (49,637)	$ (36,972)	$ (17,146)