SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2012

SHARE-BASED COMPENSATION

Schedule of share-based compensation expense

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Direct cost of services	$	33		$	29		$	121		$	126
General and administrative	1,516			1,651			3,282			3,391
Share-based compensation expense	1,549			1,680			3,403			$	3,517
Income tax benefit	(679		)	(727		)	(1,487		)	(1,523		)
Total share-based compensation expense, net of tax	$	870		$	953		$	1,916		$	1,994

Schedule of weighted-average assumptions used and the weighted-average fair value per option granted

	Six months ended June 30,
	2012			2011
Expected life of stock option (years)	6.6			6.6
Expected volatility	37		%	30		%
Risk-free interest rate	1.3		%	2.5		%
Dividend yield	1.5		%	1.1		%
Weighted average grant-date fair value	$	3.73		$	4.49