Government Grants (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Government Grants Textuals [Abstract]
Deferred Grant Income Amortization Period	10Y
Property Plant Equipment And Deferred Grant Income Liability	$ 148.7	$ 143.6

Property Plant Equipment And Deferred Grant Income Liability

No definition available.

Name:	spr_PropertyPlantEquipmentAndDeferredGrantIncomeLiability
Namespace Prefix:	spr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant