Government Grants (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 28, 2013	Dec. 31, 2012
Government Grants Textuals [Abstract]
Deferred Grant Income Amortization Period	10Y
Property Plant Equipment And Deferred Grant Income Liability	$ 150.0	$ 148.7

Property Plant Equipment And Deferred Grant Income Liability

No definition available.

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