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. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Derivative Instruments And Hedging Activities Disclosure [Abstract]        
Derivative balance at the beginning of the period in AOCI $ (49) $ (127) $ (69) $ (142)
Net deferral in AOCI of derivatives:        
Net increase in fair value of derivatives (59) 3 (45) (11)
Tax effect 19 (1) 15 4
Net Deferral in AOCI of Derivatives (40) 2 (30) (7)
Net reclassification from AOCI into earnings:        
Reclassification from AOCI into earnings - interest expense 17 33 34 70
Tax effect (5) (12) (12) (25)
Net reclassification from AOCI into earnings 12 21 22 45
Change in Accumulated (Loss) Income on Derivatives: (28) 23 (8) 38
Derivative balance at the end of the period in AOCI $ (77) $ (104) $ (77) $ (104)