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Valuation and Qualifying Accounts and Reserves (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Allowance for doubtful accounts      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 3,287 $ 3,477 $ 3,447
Additions charged to Costs and Expenses (446) 99 596
Additions charged to Other Accounts 0 0 0
Deductions [1] (615) (289) (566)
Balance at End of Period 2,226 3,287 3,477
Inventory and other reserves      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 7,107 5,859 6,942
Additions charged to Costs and Expenses 7,593 11,822 9,580
Additions charged to Other Accounts 0 0 0
Deductions [1] (10,635) (10,574) (10,663)
Balance at End of Period 4,065 7,107 5,859
Tax valuation allowance      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 34,640 36,372 31,015
Additions charged to Costs and Expenses 1,056 3,183 3,821
Additions charged to Other Accounts (2,631) 0 2,429
Deductions [1] (4,785) (4,915) (893)
Balance at End of Period $ 28,280 $ 34,640 $ 36,372
[1] Primarily represents the utilization of established reserves, net of recoveries, where applicable.