Income Taxes (Details)	9 Months Ended
May 26, 2012
Earliest Period Under Examination [Member]
Income Taxes [Line Items]
Years under Federal income tax examination	2009
Latest Period Under Examination [Member]
Income Taxes [Line Items]
Years under Federal income tax examination	2010

Tax year being audited in the income tax examination, in CCYY format.

No definition available.

Name:	us-gaap_IncomeTaxExaminationYearUnderExamination
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration