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v2.4.1.9

Supplemental Guarantor Condensed Consolidating Financials - Additional Information (Detail) (Parent/Issuer) | 6 Months Ended
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Mar. 28, 2015
Parent/Issuer |
Condensed Financial Statements, Captions [Line Items] |
Ownership percentage in domestic subsidiaries | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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

X
- Definition Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. + References No definition available. + Details
Name: | us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration