Accumulated Other Comprehensive Income (Loss) - Changes in AOCI by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	$ 801,060
Total other comprehensive income (loss), net	6,776	$ (21,986)
Balance at end of period	868,013
Cumulative Translation Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(37,339)	(46,198)
Other comprehensive income (loss) before reclassifications	3,966	(20,664)
Amounts reclassified from AOCI	0	0
Total other comprehensive income (loss), net	3,966	(20,664)
Balance at end of period	(33,373)	(66,862)
Unrealized (Loss) Gain on Derivatives [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	984	476
Other comprehensive income (loss) before reclassifications	1,488	(3,735)
Amounts reclassified from AOCI	(995)	378
Total other comprehensive income (loss), net	493	(3,357)
Balance at end of period	1,477	(2,881)
Pension/OPEB Liability Adjustment [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(17,203)	(21,855)
Other comprehensive income (loss) before reclassifications	(283)	587
Amounts reclassified from AOCI	192	152
Total other comprehensive income (loss), net	(91)	739
Balance at end of period	(17,294)	(21,116)
Attributable to Unconsolidated Affiliates [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(1,325)	(1,193)
Other comprehensive income (loss) before reclassifications	1,987	1,887
Amounts reclassified from AOCI	0	0
Total other comprehensive income (loss), net	1,987	1,887
Balance at end of period	662	694
Total [Member]
Changes in accumulated other comprehensive income [Roll Forward]
Balance at beginning of period	(54,883)	(68,770)
Other comprehensive income (loss) before reclassifications	7,158	(21,925)
Amounts reclassified from AOCI	(803)	530
Total other comprehensive income (loss), net	6,355	(21,395)
Balance at end of period	$ (48,528)	$ (90,165)