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. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Guarantees [Abstract]        
Balance at beginning of period $ 3,925 $ 2,584 $ 2,796 $ 2,551
Acquisitions (226)   564  
Warranties issued 1,966 23 2,842 356
Warranties settled (520) (202) (1,323) (618)
Reassessed warranty exposure 5 (249) 271 (133)
Balance at end of period $ 5,150 $ 2,156 $ 5,150 $ 2,156