Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	May 28, 2017	May 29, 2016	May 31, 2015
Statement of Comprehensive Income [Abstract]
Net earnings	$ 479.1	$ 375.0	$ 709.5
Other comprehensive income (loss):
Foreign currency adjustment	0.5	0.5	3.0
Change in fair value of derivatives and amortization of unrecognized gains and losses on derivatives, net of taxes of $0.5, $14.3 and $17.4, respectively	4.3	23.0	31.3
Net unamortized gain (loss) arising during period, including amortization of unrecognized net actuarial loss, net of taxes of $11.9, $(16.0) and $4.8, respectively	19.3	(23.9)	7.2
Other comprehensive income (loss)	24.1	(0.4)	41.5
Total comprehensive income	$ 503.2	$ 374.6	$ 751.0