Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 24, 2019	Feb. 25, 2018	Feb. 24, 2019	Feb. 25, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 223.6	$ 217.8	$ 505.4	$ 421.5
Other comprehensive income (loss):
Foreign currency adjustment	(0.3)	(0.4)	0.3	(1.1)
Change in fair value of marketable securities, net of taxes of $0.0, $0.0, $0.0 and $0.0, respectively	0.0	0.0	0.0	(0.1)
Change in fair value of derivatives and amortization of unrecognized gains and losses on derivatives, net of taxes of $(0.1), $0.0, $(0.1) and $0.0, respectively	(1.9)	3.6	4.4	(0.8)
Amortization of unrecognized net actuarial (loss) gain, net of taxes of $0.0, $(0.1), $0.0 and $(0.1), respectively, related to pension and other post-employment benefits	(0.1)	0.0	(0.5)	(0.1)
Reclassification of tax effect	0.0	(15.4)	0.0	(15.4)
Other comprehensive income (loss)	(2.3)	(12.2)	4.2	(17.5)
Total comprehensive income	$ 221.3	$ 205.6	$ 509.6	$ 404.0