Fair Value Measurements - Schedule of Financial Instruments Measured on a Recurring Basis(Details) - Recurring - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Fair Value
Asset Category
Cash equivalents	$ 48.2	$ 59.4
Available for sale equity securities	5.7	6.6
Derivatives	8.5	2.1
Total	62.4	68.1
Liability Category
Derivatives	20.9	13.5
Long-term contingent consideration	75.8	70.7
Total	96.7	84.2
Quoted prices in active markets (Level 1)
Asset Category
Cash equivalents	0.0	2.9
Available for sale equity securities	5.1	5.8
Derivatives	0.0	0.0
Total	5.1	8.7
Liability Category
Derivatives	0.0	0.0
Long-term contingent consideration	0.0	0.0
Total	0.0	0.0
Significant other observable inputs (Level 2)
Asset Category
Cash equivalents	48.2	56.5
Available for sale equity securities	0.6	0.8
Derivatives	8.5	2.1
Total	57.3	59.4
Liability Category
Derivatives	20.9	13.5
Long-term contingent consideration	0.0	0.0
Total	20.9	13.5
Significant unobservable inputs (Level 3)
Asset Category
Cash equivalents	0.0	0.0
Available for sale equity securities	0.0	0.0
Derivatives	0.0	0.0
Total	0.0	0.0
Liability Category
Derivatives	0.0	0.0
Long-term contingent consideration	75.8	70.7
Total	$ 75.8	$ 70.7