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Schedule II - Valuation and Qualifying Accounts and Reserves (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Allowance for Doubtful Accounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at beginning of year $ 1,490 $ 1,521 $ 1,300
Additions charged to costs and expenses 151 257 518
Deductions 240 288 297
Balance at end of year 1,401 1,490 1,521
Deferred Income Tax Valuation Allowance [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at beginning of year 3,231 1,464 499
Additions charged to costs and expenses 398 1,513 707
Additions charged to other 0 569 286
Deductions credited to expense 74 0 0
Deductions 2 315 28
Balance at end of year $ 3,553 $ 3,231 $ 1,464