Supplemental Disclosure of Cash Flow Information - Additional Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Supplemental Cash Flow Elements [Abstract]
Interest paid		$ 424.4	$ 109.0
Income tax refunds, net of payments		(9.1)	(31.6)
Noncash contribution expense	$ 0.0	9.1	$ 115.0
Long-term licensed assets with minimum royalty guarantees		$ 42.8