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Equity And Comprehensive Income (Loss) (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Mar. 21, 2012
Mar. 21, 2011
2008 Executive Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments    
Granted options exchanged   2.5
Replacement stock options   1.3
Incremental compensation expense $ 1.0