Shareholders' Equity Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 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 nine months ended September 30, 2013 (in thousands):

Common stock and additional paid-in capital, December 31, 2012	$	171,546
Excess income tax benefit of common stock options exercised	347
Common stock issued pursuant to stock-based compensation plans, net	2,058
Stock-based compensation costs	20,990
Repurchase of common stock	(133,049		)
Common stock and additional paid-in capital, September 30, 2013	$	61,892