Business Segment Information (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of operating results by business segment

	Commercial			Public Sector			Radiology Benefits Management			Pharmacy Solutions			Corporate and Elimination			Consolidated

Three Months Ended March 31, 2012
Managed care and other revenue	$	180,524		$	388,888		$	76,857		$	60,898		$	(21,108	)	$	686,059
Dispensing revenue		—			—			—			87,154			—			87,154
Cost of care		(112,172	)		(344,312	)		(50,410	)		(19,507	)		21,108			(505,293	)
Cost of goods sold		—			—			—			(81,038	)		—			(81,038	)
Direct service costs and other		(42,362	)		(20,597	)		(13,486	)		(29,019	)		(31,125	)		(136,589	)
Stock compensation expense(1)		267			287			400			230			3,918			5,102

Segment profit (loss)	$	26,257		$	24,266		$	13,361		$	18,718		$	(27,207	)	$	55,395

	Commercial			Public Sector			Radiology Benefits Management			Pharmacy Solutions			Corporate and Elimination			Consolidated

Three Months Ended March 31, 2013
Managed care and other revenue	$	187,837		$	406,620		$	90,278		$	58,150		$	(15,245	)	$	727,640
Dispensing revenue		—			—			—			94,121			—			94,121
Cost of care		(113,271	)		(355,379	)		(58,067	)		(18,459	)		15,245			(529,931	)
Cost of goods sold		—			—			—			(88,608	)		—			(88,608	)
Direct service costs and other		(41,392	)		(25,643	)		(13,371	)		(29,561	)		(29,660	)		(139,627	)
Stock compensation expense(1)		133			307			434			320			4,444			5,638

Segment profit (loss)	$	33,307		$	25,905		$	19,274		$	15,963		$	(25,216	)	$	69,233

(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 March 31,

	2012			2013
Segment profit	$	55,395		$	69,233
Stock compensation expense		(5,102	)		(5,638	)
Depreciation and amortization		(14,781	)		(16,170	)
Interest expense		(600	)		(610	)
Interest income		412			353

Income before income taxes	$	35,324		$	47,168

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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