Accumulated Other Comprehensive Income - Changes by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	$ 936,437
Total other comprehensive income, net	5,564	$ 669
Ending balance	506,745
Total [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	(66,956)	(54,990)
Other comprehensive income (loss) before reclassifications	4,312	894
Amounts reclassified from AOCI	603	549
Total other comprehensive income, net	4,915	1,443
Ending balance	(62,041)	(53,547)
Cumulative Translation Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	(49,965)	(24,773)
Other comprehensive income (loss) before reclassifications	6,561	(337)
Amounts reclassified from AOCI	0	0
Total other comprehensive income, net	6,561	(337)
Ending balance	(43,404)	(25,110)
Unrealized (Losses) Gains on Derivatives [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	(300)	(2,009)
Other comprehensive income (loss) before reclassifications	(445)	457
Amounts reclassified from AOCI	501	137
Total other comprehensive income, net	56	594
Ending balance	(244)	(1,415)
Minimum Pension/OPEB Liability Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	(23,046)	(28,429)
Other comprehensive income (loss) before reclassifications	(222)	760
Amounts reclassified from AOCI	262	412
Total other comprehensive income, net	40	1,172
Ending balance	(23,006)	(27,257)
Unrealized Gains on Equity Securities [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	380	221
Other comprehensive income (loss) before reclassifications	16	14
Amounts reclassified from AOCI	(160)	0
Total other comprehensive income, net	(144)	14
Ending balance	236	235
Attributable to Unconsolidated Affiliates [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Beginning balance	5,975	0
Other comprehensive income (loss) before reclassifications	(1,598)	0
Amounts reclassified from AOCI	0	0
Total other comprehensive income, net	(1,598)	0
Ending balance	$ 4,377	$ 0