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 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Derivative Instruments And Hedging Activities Disclosure [Abstract]        
Derivative balance at the beginning of the period in AOCI $ (127) $ (233) $ (142) $ (256)
Net (increase) decrease in fair value of derivatives 3 (12) (11) (37)
Tax effect (1) 4 4 13
Net deferral in AOCI of derivatives 2 (8) (7) (24)
Reclassification from AOCI into earnings - Interest expense 33 54 70 114
Tax effect (12) (19) (25) (40)
Net reclassification from AOCI into earnings 21 35 45 74
Mark to Market Adjustments for Derivatives 23 27 38 50
Derivative balance at the end of the period in AOCI $ (104) $ (206) $ (104) $ (206)