CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 171,571	$ 119,862
Restricted cash	184,942	185,794
Accounts receivable, less allowance for doubtful accounts of $3,336 and $3,729 at December 31, 2011 and March 31, 2012, respectively	133,712	121,606
Short-term investments (restricted investments of $129,599 and $130,666 at December 31, 2011 and March 31, 2012, respectively)	161,766	192,947
Deferred income taxes	34,926	35,138
Pharmaceutical inventory	43,069	39,567
Other current assets (restricted deposits of $20,453 and $22,322 at December 31, 2011 and March 31, 2012, respectively)	32,294	37,795
Total Current Assets	762,280	732,709
Property and equipment, net	120,220	118,022
Long-term investments (restricted investments of $7,956 and $2,471 at December 31, 2011 and March 31, 2012, respectively)	2,471	7,956
Other long-term assets	10,148	10,952
Goodwill	426,939	426,939
Other intangible assets, net	42,103	44,589
Total Assets	1,364,161	1,341,167
Current Liabilities:
Accounts payable	17,447	18,690
Accrued liabilities	81,328	106,809
Medical claims payable	166,232	137,973
Other medical liabilities	97,020	106,078
Total Current Liabilities	362,027	369,550
Deferred income taxes	20,702	18,509
Tax Contingencies	104,012	102,919
Deferred credits and other long-term liabilities	4,687	4,915
Total Liabilities	491,428	495,893
Preferred stock, par value $.01 per share Authorized - 10,000 shares - Issued and outstanding - none
Other Stockholders' Equity:
Additional paid-in capital	810,530	804,035
Retained earnings	844,995	824,205
Accumulated other comprehensive (loss) income	23	(150)
Ordinary common stock in treasury, at cost, 18,112 shares and 18,112 shares at December 31, 2011 and March 31, 2012, respectively	(783,269)	(783,269)
Total Stockholders' Equity	872,733	845,274
Total Liabilities and Stockholders' Equity	1,364,161	1,341,167
Ordinary common stock
Current Liabilities:
Common stock	454	453
Multi-Vote common stock
Current Liabilities:
Common stock