Basis of Presentation and Significant Accounting Policies - Schedule of Other Current Assets (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Prepaid expenses	$ 180.2	$ 142.3
Value-added tax and income tax receivables	111.7	115.8
Miscellaneous receivables	95.1	50.5
Inventory	50.6	48.9
Fixed assets held for sale	18.4	0.0
Other current assets	41.0	43.5
Total Other Current Assets	$ 497.0	$ 401.0