Quarterly report pursuant to Section 13 or 15(d)

Product Warranties - Summary of Activity in Warranty Accrual (Detail)

v2.4.0.8
Product Warranties - Summary of Activity in Warranty Accrual (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
Guarantees [Abstract]        
Balance at beginning of period $ 2,584 $ 1,391 $ 2,551 $ 1,092
Warranties issued 23 1,100 356 1,872
Warranties settled (202) (278) (618) (751)
Reassessed warranty exposure (249) 3 (133) 3
Balance at end of period $ 2,156 $ 2,216 $ 2,156 $ 2,216