Other Comprehensive Income (Loss) - Schedule of Components of Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Net of tax
Pre-tax	$ 15,194	$ (10,625)	$ (24,414)
Tax	472	1,726	(47)
Other comprehensive income (loss), net of tax	15,666	(8,899)	(24,461)
Pension and postretirement liability and reclassification adjustments
Net of tax
Pre-tax	(19,513)	(9,149)	924
Tax	3,418	1,062	(47)
Other comprehensive income (loss), net of tax	(16,095)	(8,087)	877
Foreign currency translation adjustments
Net of tax
Pre-tax	34,707	(1,476)	(25,338)
Tax	(2,946)	664	0
Other comprehensive income (loss), net of tax	$ 31,761	$ (812)	$ (25,338)