Segment Reporting - Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 27, 2016	Aug. 29, 2015	Aug. 27, 2016	Aug. 29, 2015
Segment Reporting
Net income	$ 14,773	$ 21,469	$ 10,185	$ 40,305
Interest expense	105,388	115,410	210,501	239,017
Income tax expense	10,928	16,463	4,619	28,904
Depreciation and amortization expense	142,051	127,699	280,839	237,348
LIFO charge	13,760	5,986	27,511	11,973
Lease termination and impairment charges	7,233	9,637	13,014	14,659
Loss on debt retirements, net		33,205		33,205
Other	18,520	16,955	51,986	40,676
Adjusted EBITDA	$ 312,653	$ 346,824	$ 598,655	$ 646,087