Income Taxes (Tables)

12 Months Ended

Dec. 31, 2010

Income Taxes [Abstract]

Elements That Comprise Provision For Income Taxes

	2010			2009			2008
	(in thousands)
Current provision:
Federal	$	785,888		$	532,722		$	336,870
States and Puerto Rico		63,262			56,155			30,829
Total current provision		849,150			588,877			367,699
Deferred benefit		(198,978	)		(26,792	)		(22,005	)
Provision for income taxes	$	650,172		$	562,085		$	345,694

Reconciliation Of Provision For Income Taxes And The Amount Computed Using The Federal Statutory Rate

	2010			2009			2008
	(in thousands)
Income tax provision at federal statutory rate	$	612,347		$	560,616		$	347,497
States, net of federal benefit and Puerto Rico		30,865			28,968			12,412
Tax exempt investment income		(23,776	)		(21,327	)		(21,253	)
Nondeductible executive compensation		12,655			55			30
Contingent tax benefits		0			(16,781	)		0
Other, net		18,081			10,554			7,008
Provision for income taxes	$	650,172		$	562,085		$	345,694

Principal Components Of Net Deferred Tax Balances

	Assets (Liabilities)
	2010			2009
	(in thousands)
Future policy benefits payable	$	153,293		$	103,941
Net operating loss carryforward		136,894			97,398
Compensation and other accrued expenses		127,442			121,516
Benefits payable		88,617			36,996
Deferred acquisition costs		34,044			0
Capital loss carryforward		13,032			13,169
Unearned premiums		9,813			25,528
Other		19,004			24,715
Total deferred income tax assets		582,139			423,263
Valuation allowance		(28,063	)		(30,093	)
Total deferred income tax assets, net of valuation allowance		554,076			393,170
Depreciable property and intangible assets		(275,569	)		(213,291	)
Investment securities		(65,921	)		(25,077	)
Prepaid expenses		(47,185	)		(47,290	)
Deferred acquisition costs		0			(38,899	)
Total deferred income tax liabilities		(388,675	)		(324,557	)
Total net deferred income tax assets	$	165,401		$	68,613
Amounts recognized in the consolidated balance sheets:
Other current assets	$	76,598		$	32,206
Other long-term assets		88,803			36,407
Total net deferred income tax assets	$	165,401		$	68,613