Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	4 Months Ended
	Jun. 19, 2021	Jun. 20, 2020
Income Statement [Abstract]
Net sales and other revenue	$ 21,269.4	$ 22,751.6
Cost of sales	15,078.4	15,980.1
Gross profit	6,191.0	6,771.5
Selling and administrative expenses	5,503.6	5,769.4
Loss on property dispositions and impairment losses, net	0.3	30.3
Operating income	687.1	971.8
Interest expense, net	153.3	180.6
Other (income) expense, net	(43.5)	3.1
Income before income taxes	577.3	788.1
Income tax expense	132.5	201.9
Net income	444.8	586.2
Other comprehensive income, net of tax
Recognition of pension gain	0.1	0.8
Other	0.0	0.9
Other comprehensive income	0.1	1.7
Comprehensive income	$ 444.9	$ 587.9
Net income per Class A common share
Basic net income per class A common share (in dollars per share)	$ 0.80	$ 1.03
Diluted net income per class A common share (in dollars per share)	$ 0.78	$ 1.00
Weighted average Class A common shares outstanding
Basic (in shares)	465.1	568.0
Diluted (in shares)	571.4	583.7