Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2016

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, 2016 (in thousands):

Common stock and additional paid-in capital, December 31, 2015	$	1,374
Income tax benefit of common stock options exercised	1,477
Common stock issued pursuant to stock-based compensation plans, net	1,585
Stock-based compensation expense	21,147
Repurchase of common stock	(24,222		)
Common stock and additional paid-in capital, September 30, 2016	$	1,361