Segment Reporting - Adjusted EBITDA for continuing operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 02, 2017	Nov. 26, 2016	Dec. 02, 2017	Nov. 26, 2016
Segment Reporting
Net (loss) income from continuing operations	$ (18,182)	$ 23,610	$ 134,141	$ 29,134
Interest expense	50,308	50,304	152,165	146,674
Income tax benefit	(16,061)	(4,682)	89,268	(3,824)
Depreciation and amortization expense	95,764	101,953	292,448	304,460
LIFO charge	6,784	8,373	20,393	25,266
Lease termination and impairment charges	3,939	7,199	11,090	20,203
Walgreens Boots Alliance, merger termination fee			(325,000)
Other	6,697	4,577	27,985	50,567
Adjusted EBITDA	$ 129,249	$ 191,334	$ 402,490	$ 572,480