Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies and Nature of Operations - Allowance for Sales Returns and Allowance for Doubtful Accounts (Detail)

v3.3.1.900
Summary of Significant Accounting Policies and Nature of Operations - Allowance for Sales Returns and Allowance for Doubtful Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Allowance for sales returns      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 897 $ 893 $ 1,364
Charged to Revenue, Cost or Expenses 23,655 24,907 24,147
Deductions (23,543) (24,903) (24,618)
Balance at End of Period 1,009 897 893
Allowance for doubtful accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 41 213 221
Charged to Revenue, Cost or Expenses 29 64 181
Deductions (53) (236) (189)
Balance at End of Period $ 17 $ 41 $ 213