Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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

Schedule of impact of stock options and restricted stock awards on net income

The impact of stock options (including stock appreciation rights) and restricted stock awards on net income (excluding amounts capitalized) for the three- and six-month periods ended June 30, 2013 and 2012, respectively, were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
Total stock-based compensation	$	5,762		$	5,379		$	9,837		$	10,515
Tax impact(1)	(1,844		)	(1,635		)	(2,853		)	(3,427		)
Reduction in net income, net of tax	$	3,918		$	3,744		$	6,984		$	7,088

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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 11).

Schedule of number and weighted average grant date fair value of equity awards granted

The following table sets forth the number and weighted average grant-date fair value of equity awards granted during the three- and six-month periods ended June 30, 2013 and 2012:

	Three Months Ended			Six Months Ended
	June 30,			June 30,
	Number Granted	Weighted Average Grant-Date Fair Value		Number Granted	Weighted Average Grant-Date Fair Value
	(in thousands)			(in thousands)
2013
Restricted stock and restricted stock units	166	$	21.49	427	$	18.67
2012
Restricted stock and restricted stock units	154	$	17.55	291	$	17.62