Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 29, 2015	Nov. 23, 2014	Nov. 29, 2015	Nov. 23, 2014
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 43.2	$ (32.8)	$ 129.6	$ 470.4
Other comprehensive income (loss):
Foreign currency adjustment	0.1	4.0	0.9	5.5
Change in fair value of marketable securities, net of taxes of $0.0, $0.0, $0.0 and $0.0, respectively	0.0	0.1	0.0	0.0
Change in fair value of derivatives and amortization of unrecognized gains and losses on derivatives, net of taxes of $13.8, $0.5, $14.3 and $15.9, respectively	20.2	3.5	20.9	27.4
Amortization of unrecognized net actuarial (loss) gain, net of taxes of $0.0, $9.3, $(0.1) and $9.8, respectively, related to pension and other post-employment benefits	(0.1)	15.1	(0.2)	15.4
Other comprehensive income	20.2	22.7	21.6	48.3
Total comprehensive income (loss)	$ 63.4	$ (10.1)	$ 151.2	$ 518.7