Property, Plant and Equipment - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Sep. 01, 2014	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Property, Plant and Equipment [Abstract]
Capital Leased Assets, Gross		$ 206.3	$ 222.2
Capital Leased Assets, Accumulated Amortization		103.3	101.3
Cost to build, estimate	$ 3,000.0
Impairment of Long-Lived Assets to be Disposed of			116.5
Depreciation expense		$ 437.6	$ 344.4	$ 292.4