Subsequent Events (Details) (Subsequent event, A.M. Holdings S.A.S (AIXAM), USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012
Subsequent event \| A.M. Holdings S.A.S (AIXAM)
Subsequent Event [Line Items]
Revenue reported by acquired entity for last annual period	$ 110

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration