Segment Reporting - Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 02, 2017	Aug. 27, 2016	Sep. 02, 2017	Aug. 27, 2016
Segment Reporting
Net income	$ 170,716	$ 14,773	$ 95,367	$ 10,185
Interest expense	111,261	105,388	221,198	210,501
Income tax expense	107,087	10,928	71,878	4,619
Depreciation and amortization expense	132,012	142,051	274,104	280,839
LIFO charge	5,632	13,760	22,506	27,511
Lease termination and impairment charges	3,128	7,233	7,214	13,014
Walgreens Boots Alliance, merger termination fee	(325,000)		(325,000)
Other	8,434	18,520	38,567	51,986
Adjusted EBITDA	$ 213,270	$ 312,653	$ 405,834	$ 598,655