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Income Taxes (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Tax Provision
Income tax benefit of indefinite reinvestment of earnings of foreign subsidiaries		$ 6.3	$ 6.3	$ 12.5	$ 12.5
Liability for uncertain tax positions including interest and related charges		26.6		26.6		$ 26.9
Accrued income tax interest and related charges		1.6		1.6		1.8
Unrecognized tax benefits that would impact effective tax rate		$ 25.4		$ 25.4		$ 25.3
Controlling Interest
Income Tax Provision
Effective tax rate attributable to controlling interests	[1]	32.30%	35.00%	33.30%	34.50%
[1] Taxes attributable to the controlling interest divided by Income before income taxes (controlling interest).

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- Definition

Income Tax Expense (Benefit), Indefinite Reinvestment of Earnings of Foreign Subsidiaries

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- Definition

A ratio calculated by dividing the amount of income tax expense attributable to the controlling interest by pretax income from continuing operations attributable to the controlling interest.

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- Definition

The gross amount of unrecognized tax benefits, including interest and related charges, pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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No definition available.

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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