Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Summary of activities for discontinued operations
Total revenues		$ 1,630	$ 10,840
Income (loss) from discontinued operations		(325)	653
Gain on sales of aesthetics business		1,149
Income from discontinued operations, before income taxes		824	653
Income tax (benefit) expense		(784)	184
Income from discontinued operations, net of tax		$ 1,608	$ 469