Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015 (in thousands):

Common stock and additional paid-in capital, December 31, 2014	$	1,396
Income tax benefit of common stock options exercised	3,490
Common stock issued pursuant to stock-based compensation plans, net	11,991
Stock-based compensation arrangements	12,886
Repurchase of common stock	(28,361		)
Common stock and additional paid-in capital, June 30, 2015	$	1,402