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Stock-Based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended						0 Months Ended	6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011	Dec. 30, 2011	Jun. 29, 2012 Restricted Stock [Member]	Jun. 29, 2012 Minimum [Member]	Jun. 29, 2012 Maximum [Member]	May 18, 2010 Plan 2003 [Member]	Jun. 29, 2012 Plan 2003 [Member]	May 19, 2010 Plan 2003 [Member]
Stock Compensation To Inventory Value Capitalized	$ 30,000	$ 41,000	$ 68,000	$ 76,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross			583,000						2,000,000	0
Share Based Compensation Arrangement By Share Based Payment Award Expiration Period			10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 5.78		$ 5.78		$ 4.79		$ 0.95	$ 11.02
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	3,460,000		3,460,000		3,064,000	210,000				1,027,367	2,000,000
Sharebased Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term Of Options Granted			15 years
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate	9.92%		9.92%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 7.07	$ 3.59
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value			1,771,000	701,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			175,830	324,715
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value			914,000	611,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 5,100,000		$ 5,100,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition			2 years 4 months 13 days

X

- Definition

Number of years from the date of grant, after which the equity-based award expires .

+ References

No definition available.

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Expected forfeiture rate of share-based compensation awards.

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Value of stock compensation capitalized to inventory and recognizes those amounts as expense in cost of sales as the inventory is sold.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of share options (or share units) exercised during the current period.

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