Property, Plant and Equipment (Additional Information) (Details 2) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 659.5	$ 504.7	$ 461.3
Maintenance and repair expense	197.4	205.5	$ 158.7
Acquisition of property, plant and equipment considered a non-cash investing activity	$ 90.3	$ 72.5