Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Assets:
Derivatives	$ 7.0	$ 9.1
Liabilities:
Derivatives	2.9	3.9
Fair Value, Measurements, Recurring
Assets:
Investments	8.9	10.7
Derivatives	7.0	9.1
Total assets	15.9	19.8
Liabilities:
Derivatives	2.9	3.9
Contingent Consideration	3.0	0.0
Total liabilities	5.9	3.9
Fair Value, Measurements, Recurring | Level 1
Assets:
Investments	8.9	10.7
Derivatives	0.0	0.0
Total assets	8.9	10.7
Liabilities:
Derivatives	0.0	0.0
Contingent Consideration	0.0	0.0
Total liabilities	0.0	0.0
Fair Value, Measurements, Recurring | Level 2
Assets:
Investments	0.0	0.0
Derivatives	7.0	9.1
Total assets	7.0	9.1
Liabilities:
Derivatives	2.9	3.9
Contingent Consideration	0.0	0.0
Total liabilities	2.9	3.9
Fair Value, Measurements, Recurring | Level 3
Assets:
Investments	0.0	0.0
Derivatives	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Derivatives	0.0	0.0
Contingent Consideration	3.0	0.0
Total liabilities	$ 3.0	$ 0.0