Stockholders' Equity (Employee Stock Purchase Plan) (Details) (USD $)	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 31, 2012 Employee Stock Purchase Plan		Dec. 30, 2012 Employee Stock Purchase Plan	Dec. 31, 2011 Employee Stock Purchase Plan		Dec. 25, 2011 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					1,713,000
Minimum weekly employment threshold to qualify for ESPP					20 hours
Minimum annual employment threshold to qualify for ESPP					5 months
Maximum percentage of employee compensation eligible to purchase shares under ESPP					15.00%
Purchase price of common stock as a percent of fair market value					85.00%
Cumulative number of shares issued under ESPP					524,000
Number of shares available for future issuance					1,189,000
Number of shares issued under the plan	781,000	93,196
Average share price of shares issued under the plan					$ 5.19			$ 9.47
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected life			6 months	[1]		6 months	[1]
Risk-free interest rate, lower range			0.06%	[2]		0.10%	[2]
Risk-free interest rate, upper range			0.16%	[2]		0.19%	[2]
Expected volatility, lower range			49.70%	[3]		28.50%	[3]
Expected volatility, upper range			65.73%	[3]		43.60%	[3]
Expected dividend yield			0.00%	[4]		0.00%	[4]
Weighted average grant-date fair value per share			$ 1.93			$ 3.05

[1] The expected term is equivalent to the offering period.

[2] The risk-free interest rate is based on U.S. Treasury yields in effect at the time of grant with a term equal to the expected term.

[3] The Company estimated implied volatility based upon trailing volatility.

[4] The Company has no history or expectation of paying dividends on its common stock.