Organization and Summary of Significant Accounting Policies (Details 4)	6 Months Ended
	Jun. 29, 2013
Stock options | Minimum
Stock Options and Stock-Based Compensation
Requisite period of the award over which stock based compensation award expenses are recognized	5 years
Stock options | Maximum
Stock Options and Stock-Based Compensation
Requisite period of the award over which stock based compensation award expenses are recognized	10 years
Restricted stock | Minimum
Stock Options and Stock-Based Compensation
Requisite period of the award over which stock based compensation award expenses are recognized	1 year
Restricted stock | Maximum
Stock Options and Stock-Based Compensation
Requisite period of the award over which stock based compensation award expenses are recognized	3 years