Retirement Plans - Projected benefit obligation and fair value of plan assets (Details) - Defined Benefit Pension Plan - USD ($) $ in Thousands	Mar. 04, 2023	Feb. 26, 2022
Pension Plan with Project Benefit Obligation in Excess of Plan Assets
Projected Benefit Obligations	$ 131,163	$ 160,133
Fair Value of Plan Assets	$ 120,769	$ 149,527

Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant