Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 25, 2018	Feb. 26, 2017	Feb. 25, 2018	Feb. 26, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 217.8	$ 165.6	$ 421.5	$ 355.3
Other comprehensive income (loss):
Foreign currency adjustment	(0.4)	(0.1)	(1.1)	0.5
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	(0.1)	0.0
Change in fair value of derivatives and amortization of unrecognized gains and losses on derivatives, net of taxes of $0.0, $0.0, $0.0, and $0.0, respectively	3.6	(0.7)	(0.8)	2.1
Amortization of unrecognized net actuarial (loss) gain, net of taxes of $(0.1), $0.1, $(0.1) and $0.3 respectively, related to pension and other post-employment benefits	0.0	0.1	(0.1)	0.4
Reclassification of tax effect	(15.4)	0.0	(15.4)	0.0
Other comprehensive income (loss)	(12.2)	(0.7)	(17.5)	3.0
Total comprehensive income	$ 205.6	$ 164.9	$ 404.0	$ 358.3