Debt Debt - Schedule of outstanding debt (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Carrying amount	$ 1,413.6	$ 1,523.5
Short-term borrowings	(67.6)	(80.3)
Long-term debt	1,346.0	1,443.2
Revolving credit facility
Debt Instrument [Line Items]
Carrying amount	0.0	0.0
Term loan A
Debt Instrument [Line Items]
Carrying amount	312.8	336.9
Term loan B
Debt Instrument [Line Items]
Carrying amount	119.5	168.5
Senior notes due 2020
Debt Instrument [Line Items]
Carrying amount	613.1	614.8
Senior notes due 2022
Debt Instrument [Line Items]
Carrying amount	299.2	296.9
Other
Debt Instrument [Line Items]
Carrying amount	$ 69.0	$ 106.4

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 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: 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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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
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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