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Expiration window period to redeem accumulated bonus cash on future purchase, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Represents the number of points awarded for each dollar spent towards front end merchandise under wellness+ loyalty card program.

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Represents the percentage discount on qualifying purchases of front end merchandise on achieving "Gold" tier.

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No definition available.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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Basis of Presentation - Revenue Recognition (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 01, 2018 USD ($)	Dec. 02, 2017 USD ($)	Dec. 01, 2018 USD ($) Point	Dec. 02, 2017 USD ($)	Mar. 04, 2018 USD ($)	Mar. 03, 2018 USD ($)
Revenue Recognition
Revenues	$ 5,450,060	$ 5,353,170	$ 16,259,912	$ 16,134,704
Accounts receivable, net	1,717,830		1,717,830		$ 1,811,203	$ 1,869,100
Inventories, net	1,894,274		1,894,274		1,850,660	1,799,539
Deferred tax assets	635,416		635,416		592,247	594,019
Total assets	8,082,958		8,082,958		8,980,779	8,989,327
Accumulated deficit	(4,440,250)		(4,440,250)		(4,291,019)	(4,282,471)
Total stockholders' equity	1,453,414		1,453,414		1,592,462	1,601,010
Difference between Revenue Guidance in Effect before and after Topic 606
Revenue Recognition
Accounts receivable, net					(57,897)
Inventories, net					51,121
Deferred tax assets					(1,772)
Total assets					(8,548)
Accumulated deficit					(8,548)
Total stockholders' equity					$ (8,548)
Intersegment elimination
Revenue Recognition
Revenues	(52,496)	$ (50,972)	(156,494)	$ (149,703)
Accounts receivable, net	(15,878)		(15,878)			(16,256)
Total assets	(15,878)		$ (15,878)			(54,969)
Retail Pharmacy
Revenue Recognition
Number of points awarded for each dollar spent towards front end merchandise \| Point			1
Number of points awarded for each qualifying prescription \| Point			25
Accumulated number of points in a calendar year to achieve the "Gold" tier \| Point			1,000
Percentage discount on qualifying purchases of front end merchandise on achieving "Gold" tier			20.00%
Accrued contract liabilities	60,560		$ 60,560			63,851
Accrued contract liabilities included in other current liabilities	55,907		55,907			50,036
Accrued contract liabilities included in noncurrent liabilities	4,653		$ 4,653			$ 13,815
Expiration window to redeem accumulated Bonus Cash (in days)			60 days
Revenues	3,976,719		$ 11,785,996
Retail Pharmacy \| Other
Revenue Recognition
Revenues	35,898		108,771
Pharmacy sales
Revenue Recognition
Revenues	2,664,200		7,803,395
Front end sales
Revenue Recognition
Revenues	1,276,621		3,873,830
Pharmacy Services
Revenue Recognition
Revenues	$ 1,525,837		$ 4,630,410