Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2011

Business Segment Information

Schedule of operating results by business segment

Three Months Ended September 30, 2010	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	165,270		$	364,102		$	116,379		$	68,609		$	42,606		$	(6,647	)	$	750,319
Cost of care		(84,485	)		(310,261	)		(72,980	)		—			(6,081	)		6,647			(467,160	)
Cost of goods sold		—			—			—			(55,071	)		—			—			(55,071	)
Direct service costs		(40,156	)		(17,554	)		(17,366	)		(8,064	)		(27,928	)		—			(111,068	)
Other operating expenses		—			—			—			—			—			(30,513	)		(30,513	)
Stock compensation expense(1)		124			181			362			108			36			2,785			3,596
Segment profit (loss)	$	40,753		$	36,468		$	26,395		$	5,582		$	8,633		$	(27,728	)	$	90,103

Three Months Ended September 30, 2011	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	135,365		$	362,104		$	78,659		$	73,792		$	57,692		$	(20,769	)	$	686,843
Cost of care		(81,503	)		(318,807	)		(49,186	)		—			(19,324	)		20,769			(448,051	)
Cost of goods sold		—			—			—			(57,636	)		—			—			(57,636	)
Direct service costs		(36,582	)		(16,741	)		(14,717	)		(6,563	)		(26,221	)		—			(100,824	)
Other operating expenses		—			—			—			—			—			(29,214	)		(29,214	)
Stock compensation expense(1)		208			218			355			380			36			3,228			4,425
Segment profit (loss)	$	17,488		$	26,774		$	15,111		$	9,973		$	12,183		$	(25,986	)	$	55,543

Nine Months Ended September 30, 2010	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	487,954		$	1,081,581		$	331,099		$	204,740		$	121,303		$	(6,647	)	$	2,220,030
Cost of care		(265,740	)		(930,932	)		(220,211	)		—			(6,081	)		6,647			(1,416,317	)
Cost of goods sold		—			—			—			(166,138	)		—			—			(166,138	)
Direct service costs		(115,340	)		(50,559	)		(47,605	)		(19,537	)		(94,555	)		—			(327,596	)
Other operating expenses		—			—			—			—			—			(91,856	)		(91,856	)
Stock compensation expense(1)		556			554			1,123			365			76			9,156			11,830
Segment profit (loss)	$	107,430		$	100,644		$	64,406		$	19,430		$	20,743		$	(82,700	)	$	229,953

Nine Months Ended September 30, 2011	Commercial			Public Sector			Radiology Benefits Management			Specialty Pharmaceutical Management			Medicaid Administration			Corporate and Elimination			Consolidated
Net revenue	$	425,086		$	1,074,904		$	258,479		$	213,388		$	167,622		$	(61,543	)	$	2,077,936
Cost of care		(235,938	)		(933,662	)		(157,731	)		—			(57,409	)		61,543			(1,323,197	)
Cost of goods sold		—			—			—			(167,559	)		—			—			(167,559	)
Direct service costs		(113,502	)		(50,203	)		(47,280	)		(18,658	)		(78,056	)		—			(307,699	)
Other operating expenses		—			—			—			—			—			(85,685	)		(85,685	)
Stock compensation expense(1)		677			654			1,238			639			100			10,100			13,408
Segment profit (loss)	$	76,323		$	91,693		$	54,706		$	27,810		$	32,257		$	(75,585	)	$	207,204

(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 September 30,						Nine Months Ended September 30,
		2010			2011			2010			2011
Segment profit		$	90,103		$	55,543		$	229,953		$	207,204
Stock compensation expense			(3,596	)		(4,425	)		(11,830	)		(13,408	)
Depreciation and amortization			(13,950	)		(15,069	)		(41,607	)		(43,288	)
Interest expense			(482	)		(457	)		(1,751	)		(1,422	)
Interest income			846			592			2,466			2,265
	Income before income taxes	$	72,921		$	36,184		$	177,231		$	151,351