Other Comprehensive Income (Loss) - Schedule of Components of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 26, 2021	Mar. 27, 2021	Jun. 27, 2020	Mar. 28, 2020	Jun. 26, 2021	Jun. 27, 2020
Other Comprehensive Income (Loss)
Pre-tax	$ 5,497		$ (4,676)		$ 678	$ (19,661)
Tax	43		(2,259)		95	(2,265)
Total change in other comprehensive income (loss)	5,454	$ (4,871)	(2,417)	$ (14,979)	583	(17,396)
Defined benefit pension plan and other adjustments
Other Comprehensive Income (Loss)
Pre-tax	372		(13,098)		878	(12,543)
Tax	43		(2,259)		95	(2,265)
Total change in other comprehensive income (loss)	329		(10,839)		783	(10,278)
Foreign currency translation adjustment
Other Comprehensive Income (Loss)
Pre-tax	5,125		8,422		(200)	(7,118)
Tax	0		0		0	0
Total change in other comprehensive income (loss)	$ 5,125		$ 8,422		$ (200)	$ (7,118)