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Estimated Future Benefit Payments (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Postemployment Benefits [Abstract]  
2014 $ 4,561
2015 4,811
2016 5,047
2017 5,275
2018 5,487
2019 through 2023 30,781
Thereafter 51,362
Total $ 107,324