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Benefit Plans - Schedule of Benefit Payments Expected to be Paid (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 29, 2012
Benefit Plans [Line Items]  
FY 2013 $ 1.3
FY 2014 1.2
FY 2015 1.2
FY 2016 1.3
FY 2017 1.6
FY 2018 through FY 2021 $ 9.1