CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 209,322	$ 119,862
Restricted cash	245,571	185,794
Accounts receivable, less allowance for doubtful accounts of $3,336 and $3,796 at December 31, 2011 and September 30, 2012, respectively	121,472	121,606
Short-term investments (restricted investments of $129,599 and $87,545 at December 31, 2011 and September 30, 2012, respectively)	155,659	192,947
Deferred income taxes	33,451	35,138
Pharmaceutical inventory	41,569	39,567
Other current assets (restricted deposits of $20,453 and $25,178 at December 31, 2011 and September 30, 2012, respectively)	43,006	37,795
Total Current Assets	850,050	732,709
Property and equipment, net	133,138	118,022
Restricted long-term investments	22,589	7,956
Other long-term assets	9,161	10,952
Goodwill	426,939	426,939
Other intangible assets, net	37,325	44,589
Total Assets	1,479,202	1,341,167
Current Liabilities:
Accounts payable	14,759	18,690
Accrued liabilities	92,886	106,809
Medical claims payable	198,145	137,973
Other medical liabilities	83,328	106,078
Total Current Liabilities	389,118	369,550
Deferred income taxes	30,101	18,509
Tax contingencies	61,452	102,919
Deferred credits and other long-term liabilities	5,543	4,915
Total Liabilities	486,214	495,893
Preferred stock, par value $.01 per share Authorized - 10,000 shares - Issued and outstanding - none
Other Stockholders' Equity:
Additional paid-in capital	837,511	804,035
Retained earnings	938,230	824,205
Accumulated other comprehensive (loss) income	58	(150)
Ordinary common stock in treasury, at cost, 18,112 shares and 18,112 shares at December 31, 2011 and September 30, 2012, respectively	(783,269)	(783,269)
Total Stockholders' Equity	992,988	845,274
Total Liabilities and Stockholders' Equity	1,479,202	1,341,167
Ordinary common stock
Current Liabilities:
Common stock	458	453
Multi-Vote common stock
Current Liabilities:
Common stock