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Litigation (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 30, 2012 | Mar. 30, 2012
Litigation [Abstract] |  |
Litigation settlement recovery | $ 3,500 | $ 3,500

X
- Definition This element represents the expenses incurred by the entity which are directly related and attributable to receiving an award in settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingencyInformationAboutLitigationMattersAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration