Fair Value Measurements (Details 3) In Millions, unless otherwise specified	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Estimate of Fair Value Measurement [Member] USD ($)	Nov. 03, 2014 First Lien Term Loan [Member] EUR (€)	Mar. 31, 2015 USD Incremental Loans [Member] USD ($)	Dec. 31, 2014 USD Incremental Loans [Member] USD ($)	Mar. 31, 2015 USD Incremental Loans [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 USD Incremental Loans [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 USD Incremental Loans [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 USD Incremental Loans [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Tranche B Term Loan [Member] USD ($)	Dec. 31, 2014 Tranche B Term Loan [Member] USD ($)	Mar. 31, 2015 Tranche B Term Loan [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Tranche B Term Loan [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Tranche B Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Tranche B Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Traunche B-2 Term Loan [Member] USD ($)	Dec. 31, 2014 Traunche B-2 Term Loan [Member] USD ($)	Mar. 31, 2015 Traunche B-2 Term Loan [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Traunche B-2 Term Loan [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Traunche B-2 Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Traunche B-2 Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Euro Tracnche Term Loans [Member] USD ($)	Dec. 31, 2014 Euro Tracnche Term Loans [Member] USD ($)	Mar. 31, 2015 Euro Tracnche Term Loans [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Euro Tracnche Term Loans [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Euro Tracnche Term Loans [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Euro Tracnche Term Loans [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Euro Traunche B-2 Term Loan [Member] USD ($)	Dec. 31, 2014 Euro Traunche B-2 Term Loan [Member] USD ($)	Mar. 31, 2015 Euro Traunche B-2 Term Loan [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Euro Traunche B-2 Term Loan [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Euro Traunche B-2 Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Euro Traunche B-2 Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] USD Notes [Member] USD ($)	Dec. 31, 2014 Notes Payable to Banks [Member] USD Notes [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] USD Notes [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Notes Payable to Banks [Member] USD Notes [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] USD Notes [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Notes Payable to Banks [Member] USD Notes [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] Euro Notes [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] Euro Notes [Member] EUR (€)	Dec. 31, 2014 Notes Payable to Banks [Member] Euro Notes [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] Euro Notes [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Notes Payable to Banks [Member] Euro Notes [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Notes Payable to Banks [Member] Euro Notes [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Notes Payable to Banks [Member] Euro Notes [Member] Estimate of Fair Value Measurement [Member] USD ($)	Mar. 31, 2015 Secured Debt [Member] First Lien Term Loan [Member] USD ($)	Dec. 31, 2014 Secured Debt [Member] First Lien Term Loan [Member] USD ($)	Mar. 31, 2015 Secured Debt [Member] First Lien Term Loan [Member] Reported Value Measurement [Member] USD ($)	Dec. 31, 2014 Secured Debt [Member] First Lien Term Loan [Member] Reported Value Measurement [Member] USD ($)	Mar. 31, 2015 Secured Debt [Member] First Lien Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)	Dec. 31, 2014 Secured Debt [Member] First Lien Term Loan [Member] Estimate of Fair Value Measurement [Member] USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross debt, long term																																						$ 1,101.0		$ 1,101.0	$ 0	$ 1,150.5	$ 0		€ 350.0		$ 375.7	$ 0	$ 393.6	$ 0
Other	4.7	2.1	4.7	2.1	4.6	2.0
Long-term debt	$ 3,445.2	$ 1,415.9	$ 3,445.2	$ 1,415.9	$ 3,520.1	$ 1,387.6	€ 205.0	$ 294.4	$ 294.9	$ 294.4	$ 294.9	$ 295.5	$ 289.0	$ 128.7	$ 129.0	$ 128.7	$ 129.0	$ 129.2	$ 126.5	$ 493.9	$ 0	$ 493.9	$ 0	$ 495.8	$ 0	$ 217.9	$ 246.2	$ 217.9	$ 246.2	$ 218.8	$ 241.3	$ 87.1	$ 0	$ 87.1	$ 0	$ 87.5	$ 0	$ 1,101.0	$ 0					$ 375.7		$ 0					$ 741.8	$ 743.7	$ 741.8	$ 743.7	$ 744.6	$ 728.8