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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Detail) (USD $)
12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance Beginning Of Period $ 7,975,000 $ 6,596,000 $ 6,598,000
Additions/ (Recoveries) Charged to Expense 83,000 1,599,000 (556,000)
Write-Offs During the the Period (1,180,000) (512,000) (562,000)
Acquisition   292,000 1,116,000
Balance At End Of Period $ 6,878,000 $ 7,975,000 $ 6,596,000