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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income tax expense	$ 15.3	$ 9.2
Effective income tax rate, continuing operations	20.00%	14.80%
Unrecognized tax benefit liability, including penalties and accrued interest	$ 27.8			$ 48.5
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	$ 26.1
Scenario, Forecast [Member]
Lower range of expected tax payments related to transfer pricing matters			$ 30.0
Upper range of expected payments related to transfer pricing matters			$ 40.0

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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