Associate Retirement Plans (Tables)

12 Months Ended

Dec. 28, 2019

Compensation And Retirement Disclosure [Abstract]

Schedule of Benefit Obligations, Pension & Other Long-Term Liabilities

The following tables set forth the actuarial present value of benefit obligations, funded status, changes in benefit obligations and plan assets, weighted average assumptions used in actuarial calculations and components of net periodic benefit costs for the Company’s significant pension and postretirement benefit plans, excluding multi-employer plans. The prepaid, current accrued, and noncurrent accrued benefit costs associated with pension and postretirement benefits are reported in “Prepaid expenses and other current assets,” “Other assets, net,” “Accrued payroll and benefits,” and “Other long-term liabilities,” respectively, in the consolidated balance sheets.

	Pension Plan						Retiree Medical Plan
	December 28,			December 29,			December 28,			December 29,
(In thousands, except percentages)	2019			2018			2019			2018
Funded Status
Projected/Accumulated benefit obligation:
Balance at beginning of year	$	73,275		$	80,153		$	9,443		$	10,199
Service cost		—			—			171			195
Interest cost		1,134			2,283			375			339
Actuarial loss (gain)		618			(1,578	)		1,181			(961	)
Benefits paid		(75,027	)		(7,583	)		(387	)		(329	)
Balance at end of year	$	—		$	73,275		$	10,783		$	9,443

Fair value of plan assets:
Balance at beginning of year	$	74,241		$	81,255		$	—		$	—
Actual return (loss) on plan assets		2,282			(931	)		—			—
Company contributions		—			1,500			387			329
Benefits paid		(75,027	)		(7,583	)		(387	)		(329	)
Balance at end of year	$	1,496		$	74,241		$	—		$	—
Funded (unfunded) status	$	1,496		$	966		$	(10,783	)	$	(9,443	)

Components of net amount recognized in consolidated balance sheets:
Current assets	$	1,496		$	966		$	—		$	—
Current liabilities		—			—			(466	)		(437	)
Noncurrent liabilities		—			—			(10,317	)		(9,006	)
Net asset (liability)	$	1,496		$	966		$	(10,783	)	$	(9,443	)

Amounts recognized in AOCI:
Net actuarial loss	$	—		$	19,885		$	1,809		$	629
Prior service credit		—			—			—			(92	)
Accumulated other comprehensive loss	$	—		$	19,885		$	1,809		$	537

Weighted average assumptions at measurement date:
Discount rate	N/A			3.48%			3.26%			4.41%
Ultimate health care cost trend rate	N/A			N/A			4.50%			5.00%

Components of Net Periodic Pension and Postretirement Benefit Cost (Income)

	Pension Plan									Retiree Medical Plan
(In thousands, except percentages)	2019			2018			2017			2019			2018			2017
Components of net periodic benefit (income) cost:
Service cost	$	—		$	—		$	—		$	171		$	195		$	184
Interest cost		1,134			2,283			2,345			375			339			345
Amortization of prior service cost		—			—			—			(92	)		(158	)		(158	)
Expected return on plan assets		(714	)		(3,631	)		(3,836	)		—			—			—
Recognized actuarial net loss		691			417			221			—			88			59
Net periodic benefit expense (income)	$	1,111		$	(931	)	$	(1,270	)	$	454		$	464		$	430
Settlement expense		18,244			785			548			—			—			—
Total net periodic benefit cost (income)	$	19,355		$	(146	)	$	(722	)	$	454		$	464		$	430

Weighted average assumptions used to determine net periodic benefit (income) cost:
Discount rate	3.48%			3.45%			3.82%			4.41%			3.72%			4.26%
Expected return on plan assets	2.80%			4.84%			4.83%			N/A			N/A			N/A

Assumed Current Healthcare Cost Trend Rates Used to Determine Net Periodic Benefit Cost (Income)

Assumed healthcare cost trend rates have a significant effect on the amounts reported for the Retiree Medical Plan. Assumed current healthcare cost trend rates used to determine net periodic benefit cost were as follows:

										2019		2018		2017
Post-65										7.50%		8.00%		8.40%

Summary of Fair Value Pension Plan Asset

The fair values of the Pension Plan assets at December 28, 2019 and December 29, 2018, by asset category, are as follows:

	Fair Value of Assets as of December 28, 2019
(In thousands)	Total		Level 1		Level 2		Level 3		NAV (a)
Mutual funds	$	—	$	—	$	—	$	—	$	—
Pooled funds		—		—		—		—		—
Money market fund		1,496		—		1,496		—		—
Guaranteed annuity contracts		—		—		—		—		—
Total fair value	$	1,496	$	—	$	1,496	$	—	$	—

	Fair Value of Assets as of December 29, 2018
(In thousands)	Total		Level 1		Level 2		Level 3		NAV (a)
Mutual funds	$	20,124	$	—	$	—	$	—	$	20,124
Pooled funds		29,576		—		—		—		29,576
Money market fund		11,992		—		11,992		—		—
Guaranteed annuity contracts		12,549		—		—		12,549		—
Total fair value	$	74,241	$	—	$	11,992	$	12,549	$	49,700

(a)	Assets are measured at net asset value (“NAV”) (or its equivalent) on a non-active market, and therefore, have not been classified in the fair value hierarchy.

Summary of Reconciliation of Beginning and Ending Balances for Level 3 Assets

Level 3 assets consist of guaranteed annuity contracts. A reconciliation of the beginning and ending balances for Level 3 assets is as follows:

(In thousands)	December 28, 2019			December 29, 2018
Balance at beginning of year	$	12,549		$	13,891
Purchases, sales, issuances and settlements, net		(13,112	)		(1,712	)
Interest income		349			588
Unrealized loss (gains)		214			(218	)
Balance at end of year	$	—		$	12,549

Estimated Benefit Payments Expected to be Paid

The following estimated benefit payments are expected to be paid in the following fiscal years:

(In thousands)	2020					2021					2022					2023					2024					2025 to 2029
Post-retirement medical benefits	$		466			$		503			$		539			$		571			$		597			$		3,281