Shareholders' Equity (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2015 (in thousands):

Common stock and additional paid-in capital, December 31, 2014	$	1,396
Income tax benefit of common stock options exercised	3,487
Common stock issued pursuant to stock-based compensation plans, net	13,475
Stock-based compensation arrangements	19,362
Repurchase of common stock	(36,339		)
Common stock and additional paid-in capital, September 30, 2015	$	1,381