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Subsequent Event - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended
Jun. 28, 2014
Jun. 28, 2014
Sep. 27, 2014
Scenario, Forecast [Member]
Subsequent Event [Line Items]      
Deferred other tax benefit   $ 6.1  
Discrete charge $ 2.55   $ 6.10