Commitments And Contingencies (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2011
Commitments And Contingencies [Abstract]
Potential income tax payment due for fiscal years 2003 through 2005	$ 69.3

Potential income tax payment due for fiscal years 2003 through 2005.

No definition available.

Name:	jbl_AdditionalIncomeTaxPaymentDue
Namespace Prefix:	jbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant