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Goodwill and Intangible Assets - Estimated Amortization Expenses of Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
2013 remaining $ 0.9
2014 2.9
2015 2.1
2016 1.5
2017 1.3
2018 $ 0.5