Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020	Nov. 24, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 96.0	$ 24.7	$ 132.1	$ 195.3
Other comprehensive income (loss):
Foreign currency adjustment	0.0	5.5	0.2	5.5
Change in fair value of derivatives and amortization of unrecognized gains and losses on derivatives, net of taxes of $(0.1), $0.1, $0.3 and $(0.1), respectively	5.0	(2.7)	9.5	(5.6)
Net unamortized gain (loss) arising during the period, including amortization of unrecognized net actuarial gain (loss), net of taxes of $0.2 $32.5, $0.3 and $32.5, respectively, related to pension and other post-employment benefits	0.4	97.7	0.8	97.8
Other comprehensive income (loss)	5.4	100.5	10.5	97.7
Total comprehensive income	$ 101.4	$ 125.2	$ 142.6	$ 293.0