Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2010

Goodwill And Other Intangible Assets [Abstract]

Changes In Carrying Amount Of Goodwill By Reportable Segment

	Retail		Employer Group		Health & Well-Being Services		Other Businesses		Total
	(in thousands)
Balance at December 31, 2008	$	547,896	$	40,533	$	1,317,229	$	57,453	$	1,963,111
Subsequent payments/adjustments related to 2008 acquisitions		17,087		12,726		0		0		29,813
Balance at December 31, 2009		564,983		53,259		1,317,229		57,453		1,992,924
Acquisitions		0		0		538,293		0		538,293
Subsequent payments/adjustments related to 2008 acquisitions		27,861		8,731		0		0		36,592
Balance at December 31, 2010	$	592,844	$	61,990	$	1,855,522	$	57,453	$	2,567,809

Detail Of Intangible Assets Classified As Other Long-Term Assets

	Weighted Average Life		2010						2009
			Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
			(in thousands)
Other intangible assets:
Customer contracts/relationships		10.7 yrs	$	413,855	$	145,997	$	267,858	$	314,885	$	117,748	$	197,137
Trade names		19.6 yrs		87,400		2,268		85,132		5,200		567		4,633
Provider contracts		16.0 yrs		42,753		11,659		31,094		42,753		8,281		34,472
Noncompetes and other		9.5 yrs		19,475		4,085		15,390		11,786		4,560		7,226
Total other intangible assets		12.5 yrs	$	563,483	$	164,009	$	399,474	$	374,624	$	131,156	$	243,468

Estimate Of Amortization Expense

	(in thousands)
For the years ending December 31,:
2011	$	50,421
2012		48,792
2013		45,537
2014		41,039
2015		35,707