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Note 12. Share-Based Compensation (Detail) - Table of Lakes’ Stock Option Activity (USD $)
 12 Months Ended
Dec. 30, 2012
Jan. 01, 2012
2012    
Options Outstanding 1,644,639 [1] 2,031,084
Exercisable 1,155,347 [1] 904,076
Available for Grant 874,627 [1] 699,215
Weighted-Average Exercise Price (in Dollars per share) $ 2.92 [1] $ 2.99
Available for Grant, RSU   1,667
Weighted-Average Exercise Price, RSU (in Dollars per share) $ 3.25 $ 3.25
Options, Cancelled (116,600) (390,445)
Available for Grant, Cancelled 1,000 177,745
Weighted-Average Exercise Price, Cancelled (in Dollars per share) $ 2.88 $ 3.29
Options, Granted   4,000
Options Available for Grant   (4,000)
Weighted-Average Exercise Price, Granted (in Dollars per share)   $ 2.29
Options Outstanding 1,528,039 1,644,639 [1]
Exercisable 1,298,809 1,155,347 [1]
Available for Grant 875,627 874,627 [1]
Weighted-Average Exercise Price (in Dollars per share) $ 3.04 $ 2.92 [1]
[1] Options outstanding do not include 38,337 of outstanding restricted stock units.