Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Summary of Accumulated Other Comprehensive (Loss)

Following is a summary of AOCI(L) for 2020, 2019 and 2018:

			Gains (Losses) During the Period				Reclassification to Income
(in thousands)	December 29, 2019		Pre-tax Activity		Tax Effect		Pre-tax Activity		Tax Effect		December 31, 2020
Net pension activity:
Actuarial loss	$	(93,174)	$	(5,521)	$	1,369	$	4,619	$	(1,140)	$	(93,847)
Prior service costs	(7)		—		—		19		(4)		8
Net postretirement benefits activity:
Actuarial loss	(1,191)		(4,555)		1,129		383		(94)		(4,328)
Prior service credits	(624)		—		—		—		—		(624)
Interest rate swap	(270)		—		—		(378)		92		(556)
Foreign currency translation adjustment	(16)		—		—		41		(11)		14
Reclassification of stranded tax effects	(19,720)		—		—		—		—		(19,720)
Total AOCI(L)	$	(115,002)	$	(10,076)	$	2,498	$	4,684	$	(1,157)	$	(119,053)

			Gains (Losses) During the Period				Reclassification to Income
(in thousands)	December 30, 2018		Pre-tax Activity		Tax Effect		Pre-tax Activity		Tax Effect		December 29, 2019
Net pension activity:
Actuarial loss	$	(72,690)	$	(30,855)	$	7,590	$	3,688	$	(907)	$	(93,174)
Prior service costs	(24)		—		—		22		(5)		(7)
Net postretirement benefits activity:
Actuarial loss	(4,902)		4,192		(1,031)		730		(180)		(1,191)
Prior service credits	351		—		—		(1,293)		318		(624)
Interest rate swap	—		—		—		(359)		89		(270)
Foreign currency translation adjustment	—		—		—		(19)		3		(16)
Reclassification of stranded tax effects	—		—		(19,720)		—		—		(19,720)
Total AOCI(L)	$	(77,265)	$	(26,663)	$	(13,161)	$	2,769	$	(682)	$	(115,002)

			Gains (Losses) During the Period				Reclassification to Income
(in thousands)	December 31, 2017		Pre-tax Activity		Tax Effect		Pre-tax Activity		Tax Effect		December 30, 2018
Net pension activity:
Actuarial loss	$	(78,618)	$	4,036	$	(993)	$	3,830	$	(945)	$	(72,690)
Prior service costs	(43)		—		—		25		(6)		(24)
Net postretirement benefits activity:
Actuarial loss	(17,299)		14,552		(3,580)		1,889		(464)		(4,902)
Prior service credits	1,744		—		—		(1,847)		454		351
Foreign currency translation adjustment	14		—		—		(19)		5		—
Total AOCI(L)	$	(94,202)	$	18,588	$	(4,573)	$	3,878	$	(956)	$	(77,265)

Summary of Impact of Accumulated Other Comprehensive Income (Loss) on Income Statement

Following is a summary of the impact of AOCI(L) on the consolidated statements of operations:

	Fiscal 2020
(in thousands)	Net Pension Activity		Net Postretirement Benefits Activity		Interest Rate Swap		Foreign Currency Translation Adjustment		Total
Cost of sales	$	1,393	$	146	$	—	$	—	$	1,539
Selling, delivery and administrative expenses	3,245		237		(378)		41		3,145
Subtotal pre-tax	4,638		383		(378)		41		4,684
Income tax expense	1,144		94		(92)		11		1,157
Total after tax effect	$	3,494	$	289	$	(286)	$	30	$	3,527

	Fiscal 2019
(in thousands)	Net Pension Activity		Net Postretirement Benefits Activity		Interest Rate Swap		Foreign Currency Translation Adjustment		Total
Cost of sales	$	1,003	$	(211)	$	—	$	—	$	792
Selling, delivery and administrative expenses	2,707		(352)		(359)		(19)		1,977
Subtotal pre-tax	3,710		(563)		(359)		(19)		2,769
Income tax expense	912		(138)		(89)		(3)		682
Total after tax effect	$	2,798	$	(425)	$	(270)	$	(16)	$	2,087

	Fiscal 2018
(in thousands)	Net Pension Activity		Net Postretirement Benefits Activity		Foreign Currency Translation Adjustment		Total
Cost of sales	$	886	$	7	$	—	$	893
Selling, delivery and administrative expenses	2,968		35		(19)		2,984
Subtotal pre-tax	3,854		42		(19)		3,877
Income tax expense	950		10		(5)		955
Total after tax effect	$	2,904	$	32	$	(14)	$	2,922