Debt and Capital Lease Obligations - Components (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Debt and capital lease obligations
Current portion of debt and capital lease obligations	$ 21.1	$ 95.3
Debt and capital lease obligations, net of current portion	2,042.2	2,016.6
Debt and capital lease obligations	2,063.3us-gaap_DebtAndCapitalLeaseObligations	2,111.9us-gaap_DebtAndCapitalLeaseObligations
A/R Facility
Debt and capital lease obligations
Debt and capital lease obligations	0	73.0
Interest terms	LIBOR plus 1.50%
Interest rate, variable margin	1.50%
Interest rate, period-end	1.68%
Euro-denominated term loans
Debt and capital lease obligations
Debt and capital lease obligations	607.4	686.7
Interest terms	EURIBOR plus 3.50%
Interest rate, variable margin	3.50%
Interest rate, period-end	3.49%
U.S. dollar-denominated term loans
Debt and capital lease obligations
Debt and capital lease obligations	149.9	581.4
Interest terms	LIBOR plus 3.25%
Interest rate, variable margin	3.25%
Interest rate, period-end	3.43%
Multi-currency revolving loan facility
Debt and capital lease obligations
Debt and capital lease obligations	2.0	0
Interest terms	Various rates
Interest rate, period-end	5.25%
7.25% Senior Notes
Debt and capital lease obligations
Debt and capital lease obligations	750.0	750.0
Interest terms	Fixed rate
Stated rate of interest	7.25%
Interest rate, period-end	7.25%
4.625% Senior Notes
Debt and capital lease obligations
Debt and capital lease obligations	537.0	0
Interest terms	Fixed rate
Stated rate of interest	4.625%
Interest rate, period-end	4.63%
Capital lease obligations
Debt and capital lease obligations
Debt and capital lease obligations	14.2	15.9
Other debt
Debt and capital lease obligations
Debt and capital lease obligations	$ 2.8	$ 4.9

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Section 02

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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