Commitments and Contingencies - Narrative (Details) € in Millions, $ in Millions	1 Months Ended						12 Months Ended
	Jan. 31, 2014 USD ($)	Jan. 31, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)	Nov. 30, 2013 USD ($)	Nov. 30, 2013 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 EUR (€)	Feb. 28, 2014 USD ($)	Feb. 28, 2014 EUR (€)
Loss Contingencies [Line Items]
Rent expense							$ 10.5	$ 9.9	$ 10.6
Wrongful Termination Lawsuit - Productions Graphics
Loss Contingencies [Line Items]
Damages sought			$ 1.0	€ 0.7	$ 1.0	€ 0.7
Contingent consideration												$ 9.4	€ 7.1
Fixed consideration										$ 8.0	€ 5.8
Maximum consideration										$ 37.6	€ 34.5
Employment Arbitration Claim
Loss Contingencies [Line Items]
Damages sought	$ 0.7	€ 0.6
Portland
Loss Contingencies [Line Items]
Build to suit property plant and equipment, net							8.8
Financing obligation noncurrent							8.9
Financing Obligation, Expense							0.5
Financing Obligation, General and Administrative Expense							0.1
Financing Obligation, Interest Expense							0.3
Financing Obligation, Depreciation and Amortization							0.1
Prague
Loss Contingencies [Line Items]
Build to suit property plant and equipment, net							39.6
Financing obligation noncurrent							38.5
Financing Obligation, Expense							0.7
Financing Obligation, General and Administrative Expense							0.5
Financing Obligation, Interest Expense							0.1
Financing Obligation, Depreciation and Amortization							$ 0.1