Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments - Summary of Activity in AOCI Related to Derivatives (Detail)

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Derivative Financial Instruments - Summary of Activity in AOCI Related to Derivatives (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Derivative Instruments And Hedging Activities Disclosure [Abstract]        
Derivative balance at the beginning of the period in AOCI $ (104) $ (206) $ (142) $ (256)
Net (increase) decrease in fair value of derivatives 22 (10) 11 (48)
Tax effect (8) 4 (4) 17
Net deferral in AOCI of derivatives 14 (6) 7 (31)
Reclassification from AOCI into earnings - Interest Expense 20 50 90 163
Tax effect (7) (18) (32) (56)
Net reclassification from AOCI into earnings 13 32 58 107
Mark to Market Adjustments for Derivatives 27 26 65 76
Derivative balance at the end of the period in AOCI $ (77) $ (180) $ (77) $ (180)