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Shareholders' Equity (Details) (USD $)	0 Months Ended	9 Months Ended				0 Months Ended
	Sep. 29, 2013	Sep. 27, 2013	Dec. 28, 2012	Mar. 21, 2012	Mar. 21, 2012 2012 Tender Offer [Member]	Sep. 26, 2013 2013 Tender Offer [Member]	Aug. 28, 2013 2013 Tender Offer [Member]	Sep. 26, 2013 2013 Tender Offer [Member] Minimum [Member]	Aug. 28, 2013 2013 Tender Offer [Member] Minimum [Member]	Sep. 26, 2013 2013 Tender Offer [Member] Maximum [Member]	Aug. 28, 2013 2013 Tender Offer [Member] Maximum [Member]	Oct. 15, 2013 Subsequent Event [Member] 2013 Tender Offer [Member]
Equity, Class of Treasury Stock [Line Items]
Additional stock repurchase authorized	$ 5,000,000
Stock repurchase authorized	85,000,000					25,000,000	35,750,000					6,900,000
Stock repurchase sahres authorized												1,000,000
Common stock, par value		$ 0.001	$ 0.001				$ 0.001
Purchase price per share		$ 4.80						$ 6.50	$ 5.75	$ 7.00	$ 6.50	$ 7.00
Percentage of issued and outstanding shares repurchased in tender offer					27.00%							3.10%
Number of stock repurchased in tender offer					11,000,000
Price per share repurchased in tender offer					$ 5.00
Stock repurchase cost of tender offer net of fees and expenses related to tender offer				55,000,000	55,000,000
Repurchase of common stock		124,000
Total cost		594,000
Amount available under repurchase plan	$ 10,000,000	$ 5,000,000

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Percentage of Issued and Outstanding shares that were purchased as part of tender offer.

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Equity impact of the value of stock that has been repurchased as part of the tender offer, excluding fees and expenses related to the tender offer.

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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-Number 129

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