Basis of Presentation - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended |
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Mar. 30, 2013
|
|
Service and Other Revenues [Member]
|
|
Organization Consolidation And Presentation Of Financial Statements [Line Items] | |
Reclassification value | $ 3.8 |
Cost of Service and Other Revenues [Member]
|
|
Organization Consolidation And Presentation Of Financial Statements [Line Items] | |
Reclassification value | $ 2.2 |