Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Financial Data By Reportable Segment

Financial data by reportable segment for the three and six months ended June 30, 2014 and 2013 is as follows (amounts reported for prior periods have been reclassified to conform to our new segment reporting structure):

	Commercial and Specialty Business		Government Business		Other			Total
Three Months Ended June 30, 2014:
Operating revenue	$	9,965.0	$	8,259.3	$	5.7		$	18,230.0
Operating gain (loss)	919.6		313.5		(10.2		)	1,222.9
Three Months Ended June 30, 2013:
Operating revenue	$	9,799.8	$	7,686.9	$	5.2		$	17,491.9
Operating gain (loss)	948.5		281.3		(6.1		)	1,223.7
Six Months Ended June 30, 2014:
Operating revenue	$	19,662.5	$	16,200.6	$	11.7		$	35,874.8
Operating gain (loss)	1,805.7		553.1		(17.2		)	2,341.6
Six Months Ended June 30, 2013:
Operating revenue	$	19,659.2	$	15,256.3	$	11.5		$	34,927.0
Operating gain (loss)	2,210.6		383.9		(13.5		)	2,581.0

Reconciliation Of Reportable Segments Operating Revenues To Total Revenues Reported In The Consolidated Statements Of Income

A reconciliation of reportable segment operating revenues, a non-GAAP measure, to the amounts of total revenues included in the consolidated statements of income for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended   June 30						Six Months Ended   June 30
	2014			2013			2014			2013
Reportable segments operating revenues	$	18,230.0		$	17,491.9		$	35,874.8		$	34,927.0
Net investment income	188.5			153.2			372.2			315.2
Net realized gains on investments	65.8			54.2			107.5			71.0
Other-than-temporary impairment losses recognized in income	(10.9		)	(9.0		)	(21.7		)	(46.9		)
Total revenues	$	18,473.4		$	17,690.3		$	36,332.8		$	35,266.3

Reconciliation Of Reportable Segments Operating Gain To Income Before Income Tax Expense Included In The Consolidated Statements Of Income

A reconciliation of reportable segment operating gain, a non-GAAP measure, to income from continuing operations before income taxes included in the consolidated statements of income for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended   June 30						Six Months Ended   June 30
	2014			2013			2014			2013
Reportable segments operating gain	$	1,222.9		$	1,223.7		$	2,341.6		$	2,581.0
Net investment income	188.5			153.2			372.2			315.2
Net realized gains on investments	65.8			54.2			107.5			71.0
Other-than-temporary impairment losses recognized in income	(10.9		)	(9.0		)	(21.7		)	(46.9		)
Interest expense	(145.6		)	(151.9		)	(291.8		)	(305.4		)
Amortization of other intangible assets	(54.0		)	(62.1		)	(108.0		)	(124.3		)
Loss on extinguishment of debt	(3.0		)	—			(6.0		)	—
Income from continuing operations before income tax expense	$	1,263.7		$	1,208.1		$	2,393.8		$	2,490.6