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Commitments, Contingencies and Guarantees - Additional Information (Detail) | Sep. 29, 2014 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
FDIC civil monetary penalties | $ 3,300,000
Maximum |
Loss Contingencies [Line Items] |
Contingency refund | $ 30,000,000

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- Definition Contingency refund + References No definition available. + Details
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Period Type: | instant

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- Definition FDIC civil monetary penalties + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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