Segment Reporting - Balance Sheet information (Details) $ in Thousands	3 Months Ended
May 30, 2020 USD ($) segment	Feb. 29, 2020 USD ($)
Segment Reporting
Number of reportable segments \| segment	2
Total assets	$ 9,520,874	$ 9,452,369
Goodwill	1,108,136	1,108,136
Accounts receivable	1,592,799	1,286,785
Operating segments \| Retail Pharmacy
Segment Reporting
Total assets	6,815,598	6,757,196
Goodwill	43,492	43,492
Operating segments \| Pharmacy Services
Segment Reporting
Total assets	2,721,741	2,709,737
Goodwill	1,064,644	1,064,644
Intersegment elimination
Segment Reporting
Total assets	(16,465)	(14,564)
Long-term deferred tax liability	0	0
Accounts receivable	$ (16,465)	$ (14,564)

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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