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Share-Based Payments And Dividends (Compensation Expense Related To Share-Based Payments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Dividends, Share-based Compensation [Abstract]
Pre-Tax	$ 19,240	$ 18,918	$ 20,250
After-Tax	$ 13,078	$ 12,536	$ 14,330

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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