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Share-Based Compensation (Schedule Of Information Related To Options Exercised) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Intrinsic value of stock options exercised	$ 2,269	$ 3,725	$ 3
Stock Options [Member]
Cash received from stock options exercised	$ 2,336	$ 6,076	$ 68

The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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