XML 110 R92.htm IDEA: XBRL DOCUMENT v3.10.0.1
Valuation and Qualifying Accounts and Reserves (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Allowance for doubtful accounts      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 2,001 $ 2,973 $ 2,226
Additions charged to Costs and Expenses 130 (587) 363
Additions charged to Other Accounts 0 0 384
Deductions [1] (388) (385) 0
Balance at End of Period 1,743 2,001 2,973
Inventory and other reserves      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 3,984 3,703 4,065
Additions charged to Costs and Expenses 7,906 7,823 5,109
Additions charged to Other Accounts 0 0 0
Deductions [1] (8,047) (7,542) (5,471)
Balance at End of Period 3,843 3,984 3,703
Tax valuation allowance      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 22,760 18,277 28,280
Additions charged to Costs and Expenses 1,893 11,515 2,258
Additions charged to Other Accounts (403) 1,079 (483)
Deductions [1] (18,059) (8,111) (11,778)
Balance at End of Period $ 6,191 $ 22,760 $ 18,277
[1] Primarily represents the utilization of established reserves, net of recoveries, where applicable.