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Related Party Transactions - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended | 15 Months Ended
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2013 | Jul. 01, 2012 | Jul. 01, 2013
Related Party Transaction [Line Items] |  |  |  |
Services Agreement advance written notice period for termination |  | 30 days |  |
Expenses related to Services Agreement | $ 1.2 | $ 2.1 | $ 2.0 | $ 0.7
Secondary offering, shares |  | 23,000,000 |  |
Registration Rights Agreement [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Secondary offering, shares |  |  | 23,000,000 |
Offering cost incurred by company |  |  | $ 0.4 |

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- Definition Common Stock Offering Issuance Costs + References No definition available. + Details
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- Definition Related Party Transaction Agreement Prior Written Notice Period For Termination Of Agreement + References No definition available. + Details
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- Definition Secondary Offering Of Common Stock + References No definition available. + Details
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- Details
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- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
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