New Accounting Pronouncements (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other current assets, net	$ 156.6	$ 122.7
Other assets	222.5	216.6
Current portion of long-term debt and short-term borrowings	63.5	28.7
Long-term debt	$ 2,973.4	$ 2,908.7