Stock-Based Compensation - Option Transactions (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
Sep. 29, 2012
Options Outstanding [Roll Forward]
Options outstanding at the beginning of the period (shares)	29,547
Options outstanding at the beginning of the period (weighted-average exercise price per share)	$ 6.73
Options granted (shares)	6,900
Options granted (weighted-average exercise price per share)	$ 5.87
Options exercised (shares)	(1,048)
Options exercised (weighted-average exercise price per share)	$ 3.27
Options forfeited (shares)	(2,027)
Options forfeited (weighted-average exercise price per share)	$ 8.08
Options outstanding at the end of the period (shares)	33,372
Options outstanding at the end of the period (weighted-average exercise price per share)	$ 6.58

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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- Definition

Weighted average price of options that were either forfeited or expired.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Subparagraph (c)(1)(iv)(1)

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-Paragraph A240

-Subparagraph b(1)(d)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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

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