Goodwill and Intangible Assets Goodwill and Intangible Assets (Details 4) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill	$ 3,012.8	$ 1,405.3
AFS Americas Reporting Unit [Member]
Goodwill [Line Items]
Excess of the fair value of the reporting unit over its carrying value	11.80%
Goodwill	$ 73.2
Revenue growth forecast period	5 years
Long term revenue growth rate	3.00%
WACC	10.00%
AFS Americas Reporting Unit [Member] \| Minimum [Member]
Goodwill [Line Items]
Revenue growth rate	4.20%
AFS Americas Reporting Unit [Member] \| Maximum [Member]
Goodwill [Line Items]
Revenue growth rate	5.60%

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant