Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 04, 2023	Aug. 27, 2022	Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021
Goodwill, impairment charges			$ 371,200	$ 229,000	$ 0
Pharmacy Services Segment
Goodwill, impairment charges	$ 119,000	$ 252,200	371,200	229,000
Accumulated impairment losses	$ 1,174,912		$ 1,174,912	$ 803,712

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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