Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting Information, Additional Information [Abstract]

Our segment information for the three months ended March 31, 2014 and 2013 is as follows:



	Western Region Operations		Government Contracts		Corporate/Other/ Eliminations			Total
	(Dollars in millions)
Three months ended March 31, 2014
Revenues from external sources	$	2,894.8	$	144.1	$	—		$	3,038.9
Intersegment revenues	3.0		—		(3.0		)	—
Segment pretax income (loss)	53.0		13.0		(4.0		)	62.0
Three months ended March 31, 2013
Revenues from external sources	$	2,662.5	$	134.5	$	—		$	2,797.0
Intersegment revenues	2.9		—		(2.9		)	—
Segment pretax income	72.3		9.0		—			81.3

Premium Revenue by Line of Business

Our health plan services premium revenue by line of business is as follows:



	Three months ended March 31,
	2014		2013
	(Dollars in millions)
Commercial premium revenue	$	1,264.2	$	1,325.4
Medicare premium revenue	755.2		706.4
Medicaid premium revenue	862.0		600.3
Total health plan services premiums	$	2,881.4	$	2,632.1

- 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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