XML 72 R61.htm IDEA: XBRL DOCUMENT v3.8.0.1
Warranty Accrual Included in Other Accrued Liabilities (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Oct. 01, 2017
Oct. 02, 2016
Product Warranty Liability [Line Items]        
Balance at beginning of period $ 9,093 $ 8,784 $ 7,203 $ 6,925
Accruals for warranties issued during the period 2,734 3,248 11,049 11,626
Adjustments related to pre-existing warranties (35) (460) (499) (637)
Settlements made during the period (3,055) (3,249) (9,016) (9,591)
Balance at end of period $ 8,737 $ 8,323 $ 8,737 $ 8,323