Income (Loss) Per Share Income (loss) per share (Policies)	3 Months Ended
	Mar. 30, 2013
Earnings Per Share [Abstract]
Earnings Per Share, Policy [Policy Text Block]	Basic income (loss) per share is computed based upon the weighted average number of common shares outstanding for the period. When applicable, diluted income (loss) per share is calculated using two approaches. The first approach, the treasury stock method, reflects the potential dilution that could occur if the stock options and RSUs (“Equity Awards”) to issue common stock were exercised. The second approach, the if converted method, reflects the potential dilution of the Equity Awards and the 7% senior exchangeable notes due 2017 ("7% Notes") being exchanged for common stock. Under this method, interest expense associated with the 7% Notes, net of tax, is added back to income from continuing operations and the shares outstanding are increased by the underlying 7% Notes equivalent. For the three months ended March 30, 2013 and March 31, 2012, the effect of approximately 23,006,348 and 26,355,477 shares, respectively, related to the exchange of the 7% Notes for common stock, stock options outstanding and unvested RSUs, which would be calculated using the treasury stock method, were excluded from the calculation of diluted income (loss) per share, as the effect would be anti-dilutive

Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.

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