Label	Element	Value
Common Stock [Member]
Supplemental Retirement Plan Shares Issued	spr_SupplementalRetirementPlanSharesIssued	9,198

Shares to be issued pursuant to supplemental retirement share plan for eligible employees.

No definition available.

Name:	spr_SupplementalRetirementPlanSharesIssued
Namespace Prefix:	spr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration