Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Income Statement [Abstract]
Net sales and other revenue	$ 14,103.2	$ 13,840.4	$ 47,018.3	$ 46,517.9
Cost of sales	10,108.1	9,988.0	33,842.1	33,682.0
Gross profit	3,995.1	3,852.4	13,176.2	12,835.9
Selling and administrative expenses	3,807.2	3,665.9	12,548.4	12,500.7
(Gain) loss on property dispositions and impairment losses, net	(18.7)	12.1	(482.7)	(163.7)
Operating income	206.6	174.4	1,110.5	498.9
Interest expense, net	154.8	213.0	557.5	662.5
Loss on debt extinguishment	0.0	9.5	65.8	9.5
Other income, net	(15.9)	(28.3)	(21.9)	(88.3)
Income (loss) before income taxes	67.7	(19.8)	509.1	(84.8)
Income tax expense (benefit)	12.9	(65.4)	110.5	(80.3)
Net income (loss)	54.8	45.6	398.6	(4.5)
Other comprehensive income (loss), net of tax
Gain (loss) on interest rate swaps	5.0	0.9	(33.3)	4.3
Recognition of pension gain (loss)	0.7	(0.5)	24.8	(1.6)
Other	(0.2)	(0.5)	2.8	(1.7)
Other comprehensive income (loss)	5.5	(0.1)	(5.7)	1.0
Comprehensive income (loss)	$ 60.3	$ 45.5	$ 392.9	$ (3.5)