Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ 3.3	$ 0.9
Pre-tax earnings (loss)	$ 10.0	$ 1.5
Effective tax rate (as a percent)	33.40%	58.00%
Recognized excess tax benefit	$ 0.5
Effective tax rate with local jurisdiction, amount	0.2
Write-off of deferred tax assets related to certain net operating loss carryforwards	$ 0.2