Segment Reporting - Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 01, 2019	Jun. 02, 2018
Segment Reporting
Net loss from continuing operations	$ (99,339)	$ (41,727)
Interest expense	58,270	62,792
Income tax expense (benefit)	7,374	(9,497)
Depreciation and amortization	83,926	94,529
LIFO charge	7,489	9,966
Lease termination and impairment charges	478	9,859
Loss on debt retirements, net		554
Merger and Acquisition-related costs	3,085	7,188
Stock-based compensation expense	5,380	5,031
Restructuring-related costs	43,350
Inventory write-downs related to store closings	841	3,833
Gain on sale of assets, net	(2,712)	(5,859)
Other	2,205	1,323
Adjusted EBITDA from continuing operations	$ 110,347	$ 137,992