Accumulated Other Comprehensive Income (Loss) - Changes in AOCI by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	$ 662,136
Total other comprehensive (loss) income, net	(21,986)	$ 7,115
Balance at end of period	665,300
Cumulative Translation Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(46,198)	(54,257)
Other comprehensive (loss) income before reclassifications	(20,664)	5,853
Amounts reclassified from AOCI	0	0
Total other comprehensive (loss) income, net	(20,664)	5,853
Balance at end of period	(66,862)	(48,404)
Unrealized (Loss) Gain on Derivatives [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	476	(214)
Other comprehensive (loss) income before reclassifications	(3,735)	1,336
Amounts reclassified from AOCI	378	(79)
Total other comprehensive (loss) income, net	(3,357)	1,257
Balance at end of period	(2,881)	1,043
Pension/OPEB Liability Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(21,855)	(24,967)
Other comprehensive (loss) income before reclassifications	587	(489)
Amounts reclassified from AOCI	152	243
Total other comprehensive (loss) income, net	739	(246)
Balance at end of period	(21,116)	(25,213)
Attributable to Unconsolidated Affiliates [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(1,193)	(354)
Other comprehensive (loss) income before reclassifications	1,887	47
Amounts reclassified from AOCI	0	0
Total other comprehensive (loss) income, net	1,887	47
Balance at end of period	694	(307)
Total [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(68,770)	(79,792)
Other comprehensive (loss) income before reclassifications	(21,925)	6,747
Amounts reclassified from AOCI	530	164
Total other comprehensive (loss) income, net	(21,395)	6,911
Balance at end of period	$ (90,165)	$ (72,881)