Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Aug. 31, 2017	Nov. 30, 2016	Aug. 31, 2016
Indefinite-lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 336.7	$ 161.1	$ 166.5
Finite-lived intangible assets, accumulated amortization	61.5	48.4	48.6
Goodwill	4,503.3	1,771.4	1,813.3
Brand names and trademarks	2,816.3	312.2	315.7
Indefinite-lived intangible assets (including goodwill)	7,319.6	2,083.6	2,129.0
Total goodwill and intangible assets	$ 7,656.3	$ 2,244.7	$ 2,295.5