Shareholders' Equity (Tables)

6 Months Ended

Jun. 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 six months ended June 30, 2016 (in thousands):

Common stock and additional paid-in capital, December 31, 2015	$	1,374
Income tax benefit of common stock options exercised	1,451
Common stock issued pursuant to stock-based compensation plans, net	938
Stock-based compensation expense	14,375
Repurchase of common stock	(16,765		)
Common stock and additional paid-in capital, June 30, 2016	$	1,373