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           Intangible Assets - Additional Information (Detail) (USD $) 
        In Millions, unless otherwise specified  | 
        
           Sep. 28, 2013 
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| Goodwill And Intangible Assets Disclosure [Abstract] | |
| Trade name carrying value | $ 0.5 | 
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- Definition 
          Gross carrying amount before accumulated amortization as of the balance sheet date of the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a reasonably expected period of economic benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Details 
          
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