Income Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation in dollars [Abstract]
Statutory U.S. federal income tax	$ 99.2	$ 70.0	$ 61.2
State income taxes, net of federal benefit	8.0	1.1	1.1
Foreign repatriation, net of foreign tax credits	(4.3)	0.0	13.5
Foreign tax differential	(11.9)	(10.0)	(12.6)
Change in valuation allowances	20.2	2.5	(17.7)
Uncertain tax positions	(27.1)	59.7	10.9
Subpart F income	2.0	1.9	1.9
Manufacturing deduction	(4.2)	(1.6)	(3.7)
Goodwill on disposal of business	0.0	0.0	7.5
Permanent and other	4.9	1.8	2.8
Effective income tax provision	$ 86.8	$ 125.4	$ 64.9
Reconciliation in percentages [Abstract]
Statutory U.S. federal income tax (percentage)	35.00%	35.00%	35.00%
State income taxes, net of federal benefit (percentage)	2.80%	0.60%	0.60%
Foreign repatriation, net of foreign tax credits (percentage)	(1.50%)	0.00%	7.70%
Foreign tax differential (percentage)	(4.20%)	(5.00%)	(7.20%)
Change in valuation allowance (percentage)	7.10%	1.20%	(10.00%)
Uncertain tax positions (percentage)	(9.60%)	29.80%	6.10%
Subpart F income (percentage)	0.70%	1.00%	1.10%
Manufacturing deduction (percentage)	(1.50%)	(0.80%)	(2.10%)
Goodwill on disposal of business (percentage)	0.00%	0.00%	4.20%
Permanent and other (percentage)	1.80%	0.90%	1.70%
Effective income tax provision (percentage)	30.60%	62.70%	37.10%