Debt - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Nov. 30, 2014	Aug. 31, 2013	Aug. 29, 2013
Debt Instrument [Line Items]
Letters of credit outstanding, amount				$ 1.4
Debt instrument, fee amount					$ 1.9
Amortized deferred debt issuance costs	$ 0.0	$ 0.5	$ 0.2
Credit agreement termination non cash expense		$ 1.7
Term Loan Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 100.0
Term loan outstanding amount				73.8
Revolving Loan Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 125.0
Line of credit, amount outstanding				$ 0.0