Commitments and Contingencies (Tables)

12 Months Ended

Aug. 29, 2020

Commitments And Contingencies Disclosure [Abstract]

Schedule of Operating Lease Cost and Information Related to Operating Lease Right-of-use Assets, Net and Operating Lease Liabilities

The following table presents the operating lease cost and information related to the operating lease right-of-use assets, net and operating lease liabilities for the fifty-two weeks ended August 29, 2020:

(In thousands, except lease term and discount rate)
Lease cost
Operating lease costs including short-term lease expense and variable lease costs, which were immaterial in the period	$	18,125
Operating cash flow impacts
Cash paid for amounts included in the measurement of operating lease liabilities	$	13,048
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$	7,407
Weighted-average remaining lease term - operating leases	4.3
Weighted-average discount rate - operating leases		2.76	%

Schedule of Contractual Future Minimum Lease Payments of Operating Lease Liabilities

 The contractual future minimum lease payments of the Company's operating lease liabilities by fiscal year are as follows as of August 29, 2020:

(In thousands)
2021	$	13,458
2022		10,581
2023		7,692
2024		5,314
2025		3,288
Thereafter		3,895
Total payments		44,228
Less interest		2,380
Total present value of lease payments	$	41,848

Schedule of Changes to Environmental Liabilities

The changes to the Company’s environmental liabilities for fiscal 2020 and 2019 were as follows (in thousands):

Year ended	August 29, 2020			August 31, 2019
Beginning balance	$	27,718		$	25,486
Costs incurred for which reserves have been provided		(1,160	)		(1,079	)
Insurance proceeds		111			143
Interest accretion		537			755
Changes in discount rates		1,133			2,239
Revisions in estimates		2,363			174
Ending balance	$	30,702		$	27,718

Schedule of Anticipated Payments and Insurance Proceeds of Currently Identified Environmental Remediation Liabilities

Anticipated payments and insurance proceeds of currently identified environmental remediation liabilities as of August 29, 2020, for the next five fiscal years and thereafter, as measured in current dollars, are reflected below.

(In thousands)	2021			2022			2023			2024			2025			Thereafter			Total
Estimated costs—current dollars	$	11,368		$	2,668		$	1,371		$	1,073		$	1,076		$	11,852		$	29,408
Estimated insurance proceeds		(197	)		(159	)		(173	)		(159	)		(173	)		(521	)		(1,382	)
Net anticipated costs	$	11,171		$	2,509		$	1,198		$	914		$	903		$	11,331		$	28,026
Effect of inflation																				7,251
Effect of discounting																				(4,575	)
Balance as of August 29, 2020																			$	30,702