Segment Reporting - Balance Sheet information (Details) $ in Thousands	9 Months Ended
Nov. 27, 2021 USD ($) segment	Feb. 27, 2021 USD ($)
Segment Reporting
Number of reportable segments \| segment	2
Total assets	$ 9,499,124	$ 9,335,404
Goodwill	1,108,136	1,108,136
Accounts receivable	1,844,234	1,462,441
Operating segments \| Retail Pharmacy
Segment Reporting
Total assets	6,671,781	6,613,370
Goodwill	43,492	43,492
Operating segments \| Pharmacy Services
Segment Reporting
Total assets	2,841,096	2,736,546
Goodwill	1,064,644	1,064,644
Intersegment elimination
Segment Reporting
Total assets	(13,753)	(14,512)
Long-term deferred tax liability	0	0
Accounts receivable	$ 13,753	$ 14,512

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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