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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Summary of activities for discontinued operations      
Total revenues $ 1,630 $ 10,840 $ 11,386
(Loss) income from discontinued operations (325) 653 1,558
Gain on sales of aesthetics business 1,872 0 0
Income from discontinued operations, before income taxes 824 653 1,558
Income tax (benefit) expense (784) 184 165
Income from discontinued operations, net of tax $ 1,608 $ 469 $ 1,393