Earnings Per Share (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 26, 2011
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Basic EPS	$ 0.14	$ (0.05)
Diluted EPS	$ 0.14
Options and nonvested shares excluded from computation of diluted earnings per share	12	10
Redeemable Preferred Shares [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Basic EPS	$ 0.14
Basic EPS, distributed	$ 0.11
Basic EPS, undistributed	$ 0.03

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Glossary Diluted Earnings Per Share

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+ Details

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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+ Details