Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Business Segment Information

Schedule of operating results by business segment

Three Months Ended June 30, 2011	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	139,686		$	362,284		$	90,608		$	69,366		$	56,637		$	(20,243	)	$	698,338
Cost of care		(79,122	)		(309,934	)		(53,828	)		—			(18,805	)		20,243			(441,446	)
Cost of goods sold		—			—			—			(53,404	)		—			—			(53,404	)
Direct service costs		(39,112	)		(16,486	)		(15,858	)		(6,083	)		(25,849	)		—			(103,388	)
Other operating expenses		—			—			—			—			—			(28,391	)		(28,391	)
Stock compensation expense(1)		218			214			401			133			41			3,198			4,205
Segment profit (loss)	$	21,670		$	36,078		$	21,323		$	10,012		$	12,024		$	(25,193	)	$	75,914

Three Months Ended June 30, 2012	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	178,227		$	410,136		$	88,826		$	101,976		$	43,026		$	(16,718	)	$	805,473
Cost of care		(110,847	)		(355,113	)		(57,874	)		—			(14,714	)		16,718			(521,830	)
Cost of goods sold		—			—			—			(82,855	)		—			—			(82,855	)
Direct service costs		(42,456	)		(23,304	)		(13,582	)		(6,206	)		(20,742	)		—			(106,290	)
Other operating expenses		—			—			—			—			—			(34,043	)		(34,043	)
Stock compensation expense(1)		270			269			360			152			84			3,230			4,365
Segment profit (loss)	$	25,194		$	31,988		$	17,730		$	13,067		$	7,654		$	(30,813	)	$	64,820

Six Months Ended June 30, 2011	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	289,721		$	712,800		$	179,820		$	139,596		$	109,930		$	(40,774	)	$	1,391,093
Cost of care		(154,435	)		(614,855	)		(108,545	)		—			(38,085	)		40,774			(875,146	)
Cost of goods sold		—			—			—			(109,923	)		—			—			(109,923	)
Direct service costs		(76,920	)		(33,462	)		(32,563	)		(12,095	)		(51,835	)		—			(206,875	)
Other operating expenses		—			—			—			—			—			(56,471	)		(56,471	)
Stock compensation expense(1)		469			436			883			259			64			6,872			8,983
Segment profit (loss)	$	58,835		$	64,919		$	39,595		$	17,837		$	20,074		$	(49,599	)	$	151,661

Six Months Ended June 30, 2012	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	358,751		$	799,024		$	165,683		$	202,174		$	90,880		$	(37,826	)	$	1,578,686
Cost of care		(223,019	)		(699,425	)		(108,284	)		—			(34,221	)		37,826			(1,027,123	)
Cost of goods sold		—			—			—			(163,893	)		—			—			(163,893	)
Direct service costs		(84,818	)		(43,901	)		(27,068	)		(12,673	)		(43,294	)		—			(211,754	)
Other operating expenses		—			—			—			—			—			(65,168	)		(65,168	)
Stock compensation expense(1)		537			556			760			324			142			7,148			9,467
Segment profit (loss)	$	51,451		$	56,254		$	31,091		$	25,932		$	13,507		$	(58,020	)	$	120,215

(1)

Stock compensation expense is included in direct service costs and other operating expenses, however this amount is excluded from the computation of Segment Profit since it is managed on a consolidated basis.

Reconciliation of segment profit to income before income taxes

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2012			2011			2012
Segment profit	$	75,914		$	64,820		$	151,661		$	120,215
Stock compensation expense		(4,205	)		(4,365	)		(8,983	)		(9,467	)
Depreciation and amortization		(14,267	)		(15,152	)		(28,219	)		(29,933	)
Interest expense		(494	)		(576	)		(965	)		(1,176	)
Interest income		858			857			1,673			1,269
Income before income taxes	$	57,806		$	45,584		$	115,167		$	80,908