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. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Derivative balance at the beginning of the period in AOCI $ (77) $ (104) $ (69) $ (142)
Net deferral in AOCI of derivatives:        
Net (Decrease) Increase in Fair Value of Derivatives 31 22 (15) 11
Tax effect (12) (8) 4 (4)
Net Deferral in AOCI of Derivatives 19 14 (11) 7
Net reclassification from AOCI into earnings:        
Reclassification from AOCI into earnings - interest expense 11 20 45 90
Tax effect (3) (7) (15) (32)
Net reclassification from AOCI into earnings 8 13 30 58
Change in Accumulated (Loss) Income on Derivatives 27 27 19 65
Derivative balance at the end of the period in AOCI $ (50) $ (77) $ (50) $ (77)