Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Revenues	$ 280,526	[1]	$ 293,310	[1]	$ 823,426	[1]	$ 893,033	[1]
Operating expenses:
Direct salaries and related costs	183,628		189,082		536,758		581,952
General and administrative	87,905		82,116		254,247		259,019
Net (gain) loss on disposal of property and equipment	199		(8)		83		(3,432)
Impairment of long-lived assets	122		38		271		764
Total operating expenses	271,854		271,228		791,359		838,303
Income from continuing operations	8,672		22,082		32,067		54,730
Other income (expense):
Interest income	297		357		1,015		947
Interest (expense)	(421)		(272)		(1,049)		(827)
Other (expense)	(715)		(329)		(1,804)		(2,272)
Total other income (expense)	(839)		(244)		(1,838)		(2,152)
Income from continuing operations before income taxes	7,833		21,838		30,229		52,578
Income taxes	(309)		2,969		3,569		6,224
Income from continuing operations, net of taxes	8,142		18,869		26,660		46,354
(Loss) from discontinued operations, net of taxes			(755)		(820)		(3,091)
(Loss) on sale of discontinued operations, net of taxes					(10,707)
Net income	$ 8,142		$ 18,114		$ 15,133		$ 43,263
Basic:
Continuing operations	$ 0.19		$ 0.42		$ 0.62		$ 1.01
Discontinued operations			$ (0.02)		$ (0.27)		$ (0.07)
Net income (loss) per common share	$ 0.19		$ 0.40		$ 0.35		$ 0.94
Diluted:
Continuing operations	$ 0.19		$ 0.42		$ 0.62		$ 1.00
Discontinued operations			$ (0.02)		$ (0.27)		$ (0.06)
Net income (loss) per common share	$ 0.19		$ 0.40		$ 0.35		$ 0.94
Weighted average common shares:
Basic	43,014		45,557		43,130		46,106
Diluted	43,031		45,653		43,179		46,202

[1] Revenues and depreciation and amortization include results from continuing operations only.