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Equity And Comprehensive Income (Loss) (Narrative) (Details) (Executive2008 Executive Incentive Plan [Member], USD $) In Millions, unless otherwise specified	0 Months Ended
	Mar. 21, 2011
Executive2008 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

Equity-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset.

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