Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Effective tax rate (percent)	71.00%	29.20%	51.20%	30.50%
Deferred tax liabilities, undistributed foreign earnings	$ 3.4		$ 3.4
Current foreign tax expense (benefit)			5.5
Unrecognized tax benefits, interest and penalties accrued	0.6		0.6
Unrecognized tax benefits	9.8		9.8
Unrecognized tax benefits that would decrease the effective tax rate if recognized	9.7		9.7
Unrecognized tax benefits that could be recognized within 12 months	$ 5.3		$ 5.3