Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Impact Of Stock Options And Restricted Stock Awards On Net Income [Table Text Block]

The impact of stock options (including stock appreciation rights) and restricted stock awards on net income (excluding amounts capitalized) for the three-month periods ended March 31, 2013 and 2012, respectively, was as follows (in thousands):

	Three Months Ended
	March 31,
	2013			2012
Total stock-based compensation	$	4,075		$	5,136
Tax impact(1)	(628		)	(1,823		)
Reduction in net income, net of tax	$	3,447		$	3,313

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⁽¹⁾  Tax impact is determined at the Company's combined effective tax rate, which includes the income statement line item "Increase/decrease in income tax benefit payable to former stockholder" (see Note 10).

Schedule Of Number And Weighted Average Grant Date Fair Value Of Equity Awards Granted [Table Text Block]

The following table sets forth the number and weighted average grant-date fair value of equity awards granted during the three-month periods ended March 31, 2013 and 2012:

	Three Months Ended
	March 31,
	Number Granted	Weighted Average Grant-Date Fair Value
	(in thousands)
2013
Restricted stock and restricted stock units	261	$	16.87
2012
Restricted stock and restricted stock units	137	$	17.71