Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 26, 2017	Nov. 27, 2016	Nov. 26, 2017	Nov. 27, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 84.7	$ 79.5	$ 203.7	$ 189.7
Other comprehensive income (loss):
Foreign currency adjustment	(0.2)	0.6	(0.7)	0.6
Change in fair value of marketable securities, net of taxes of $0.0, $0.0, $0.0 and $0.0, respectively	(0.1)	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	(1.8)	5.3	(4.4)	2.8
Amortization of unrecognized net actuarial (loss) gain, net of taxes of $0.0 ,$0.1, $0.0 and $0.2 respectively, related to pension and other post-employment benefits	0.0	0.2	(0.1)	0.3
Other comprehensive loss	(2.1)	6.1	(5.3)	3.7
Total comprehensive income	$ 82.6	$ 85.6	$ 198.4	$ 193.4