Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
	Nov. 27, 2016	Nov. 29, 2015
Supplemental Cash Flow Elements [Abstract]
Interest paid, net of amounts capitalized	$ 18.6	$ 40.8
Income taxes paid, net of refunds	57.2	103.9
Increase in land, buildings and equipment through accrued purchases	26.1	11.2
Net book value of assets distributed in Four Corners separation, net of deferred tax liabilities	$ 0.0	$ 751.8