Long-term Debt - Credit Agreement (Details) - USD ($) $ in Millions			3 Months Ended	9 Months Ended
		Sep. 30, 2017	Sep. 30, 2017	Sep. 19, 2017	Sep. 20, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Payments of Financing Costs			$ 1.1
Debt Issuance Costs, Noncurrent, Net					$ 1.1
Write off of Deferred Debt Issuance Cost			$ 2.0
Net leverage ratio		3.00	3.00
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 300.0	$ 300.0	$ 500.0
Debt Instrument, Maturity Date		Sep. 20, 2022		Jun. 30, 2020
Debt Instrument, Basis Spread on Variable Rate	[1],[2]	1.625%		1.625%
Senior Secured Term Loan A [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date				Jun. 30, 2020
Debt Instrument, Face Amount				$ 275.0
Debt Instrument, Basis Spread on Variable Rate	[1],[2]			1.625%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving Credit Facility, Capacity Available for Foreign Revolver Loans		$ 125.0	125.0	$ 75.0
Line of Credit Facility, Maximum Borrowing Capacity		300.0	300.0
Revolving Credit Facility, Amount Outstanding		37.5	37.5			$ 75.9
Revolving Credit Facility, Remaining Borrowing Capacity		248.3	248.3			408.2
Letters of credit [Member]
Debt Instrument [Line Items]
Letters of Credit, Maximum Borrowing Capacity		40.0	40.0
Letters of Credit Outstanding, Amount		14.2	14.2			15.9
U.S. bank debt and receivables facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity, Amount		295.4	295.4			$ 126.5
Revolving credit and term loan facilities [Member]
Debt Instrument [Line Items]
Incremental debt commitments capacity		$ 200.0	$ 200.0
Revolving Credit Facility [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value, % of par value		99.60%	99.60%			99.30%

[1] London Interbank Offered Rate ("LIBOR")

[2] The initial interest rate spread for the amended Credit Agreement is stated as 1.625%. The interest rate spread is based upon the leverage ratio, as defined, as of the most recent determination date.