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Other Comprehensive Income - Additional Information (Detail) (USD $)
In Millions
Jul. 02, 2011
Jan. 01, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Accumulated other comprehensive income, unrecognized pension benefit costs $ 2.5 $ 2.5
Accumulated other comprehensive income, foreign currency translation adjustments 1.4 0.5
Accumulated other comprehensive income, unrealized loss on interest rate swaps $ 1.3 $ 1.1