Shareholders' Equity Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Common stock and additional paid-in capital activity

The following table summarizes the common stock and additional paid-in capital activity during the three months ended March 31, 2013 (in thousands):

Common stock and additional paid-in capital, December 31, 2012	$	171,546
Income tax benefit of common stock options exercised	259
Common stock issued pursuant to stock-based compensation plans, net	1,123
Stock-based compensation expense	5,677
Repurchase of common stock	(108,361		)
Common stock and additional paid-in capital, March 31, 2013	$	70,244