Segment Reporting - Balance Sheet information (Details) $ in Thousands	9 Months Ended
Nov. 30, 2019 USD ($) segment	Mar. 03, 2019 USD ($)	Mar. 02, 2019 USD ($)
Segment Reporting
Number of reportable segments \| segment	2
Total assets	$ 10,428,791	$ 10,579,874	$ 7,591,367
Goodwill	1,108,136	1,108,136	1,108,136
Accounts receivable	1,689,838	$ 1,788,712	1,788,712
Operating segments \| Retail Pharmacy
Segment Reporting
Total assets	7,754,791		5,071,055
Goodwill	43,492		43,492
Operating segments \| Pharmacy Services
Segment Reporting
Total assets	2,689,835		2,534,771
Goodwill	1,064,644		1,064,644
Intersegment elimination
Segment Reporting
Total assets	(15,835)		(14,459)
Long-term deferred tax liability	0		0
Accounts receivable	$ (15,835)		$ (14,459)

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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