Fair Value of Assets and Liabilities - Summary of Liabilities Recorded at Carrying Value (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Fair value and carrying value of the Company's debt instruments
Notes payable - Fair value	$ 106.9	$ 32.0
Notes payable - Carrying value	106.9	32.0
Line of Credit Fair Value	0.0	168.0
Long-term Line of Credit	0.0	168.0
Senior Notes, Noncurrent		225.0
Other Long Term Debt Fair Value	0.8	1.6
Other Long-term Debt, Noncurrent	0.8	1.6
Debt Issuance Costs Noncurrent Net Fair Value	(61.7)	(6.9)
Debt Issuance Costs, Noncurrent, Net	(61.7)	(6.9)
Long-term debt - Fair Value	1,717.4	606.2
Long-term debt - Carrying value	1,691.4	606.2
Total debt instruments - Fair value	1,824.3	638.2
Total debt instruments - Carrying value	1,798.3	638.2
December 2015 Term Loan [Member]
Fair value and carrying value of the Company's debt instruments
Unsecured Long Term Debt Noncurrent Fair Value	201.3	218.5
Long-term debt	201.3	218.5
Term Loan B USD [Member]
Fair value and carrying value of the Company's debt instruments
Unsecured Long Term Debt Noncurrent Fair Value	787.5	0.0
Long-term debt	787.5	0.0
Term Loan B EUR [Member]
Fair value and carrying value of the Company's debt instruments
Unsecured Long Term Debt Noncurrent Fair Value	363.5	0.0
Long-term debt	363.5	0.0
Senior Notes Due 2024 [Member]
Fair value and carrying value of the Company's debt instruments
Senior Notes Noncurrent Fair Value	426.0	0.0
Senior Notes, Noncurrent	400.0	0.0
2006SeniorNotes [Member]
Fair value and carrying value of the Company's debt instruments
Senior Notes Noncurrent Fair Value	0.0	225.0
Senior Notes, Noncurrent	$ 0.0	$ 225.0

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Line of Credit Fair Value

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Other Long Term Debt Fair Value

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Senior Notes Noncurrent Fair Value

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Unsecured Long Term Debt Noncurrent Fair Value

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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Fair value portion of notes payable.

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Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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