Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			$ 451,116	$ 455,166
Pre-tax Activity	$ 1,288	$ 787	1,222	1,555
Tax Effect	(317)	(194)	(301)	(20,104)
Ending Balance	505,565	467,709	505,565	467,709
Reclassification Of Stranded Tax Effects Due To T C J A [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(19,720)	(19,720)	(19,720)	0
Pre-tax Activity	0	0	0	0
Tax Effect	0	0	0	(19,720)
Ending Balance	(19,720)	(19,720)	(19,720)	(19,720)
Total AOCI
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(115,052)	(96,407)	(115,002)	(77,265)
Ending Balance	(114,081)	(95,814)	(114,081)	(95,814)
Interest rate swap
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(1,285)		(270)
Pre-tax Activity	3		(1,344)
Tax Effect	(1)		331
Ending Balance	(1,283)		(1,283)
Foreign currency translation adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(17)	(9)	(16)	0
Pre-tax Activity	4	7	3	(3)
Tax Effect	(1)	(2)	(1)	(1)
Ending Balance	(14)	(4)	(14)	(4)
Net Pension Activity | Actuarial loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(92,278)	(72,011)	(93,174)	(72,690)
Pre-tax Activity	1,190	900	2,379	1,801
Tax Effect	(293)	(221)	(586)	(443)
Ending Balance	(91,381)	(71,332)	(91,381)	(71,332)
Net Pension Activity | Prior service costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(3)	(20)	(7)	(24)
Pre-tax Activity	4	7	9	12
Tax Effect	(1)	(2)	(2)	(3)
Ending Balance	0	(15)	0	(15)
Net  Postretirement Benefits Activity | Actuarial loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(1,125)	(4,754)	(1,191)	(4,902)
Pre-tax Activity	87	195	175	391
Tax Effect	(21)	(48)	(43)	(96)
Ending Balance	(1,059)	(4,607)	(1,059)	(4,607)
Net  Postretirement Benefits Activity | Prior service costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(624)	107	(624)	351
Pre-tax Activity	0	(322)	0	(646)
Tax Effect	0	79	0	159
Ending Balance	$ (624)	$ (136)	$ (624)	$ (136)