CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 281,792	$ 189,464
Restricted cash	208,567	226,554
Accounts receivable, less allowance for doubtful accounts of $4,612 and $4,621 at December 31, 2012 and September 30, 2013, respectively	157,248	138,253
Short-term investments (restricted investments of $88,332 and $139,758 at December 31, 2012 and September 30, 2013, respectively)	212,949	201,127
Deferred income taxes	29,546	31,698
Pharmaceutical inventory	47,407	45,727
Other current assets (restricted deposits of $20,846 and $26,563 at December 31, 2012 and September 30, 2013, respectively)	48,244	38,595
Total Current Assets	985,753	871,418
Property and equipment, net	163,552	136,548
Long-term investments (restricted investments of $32,563 and $14,747 at December 31, 2012 and September 30, 2013, respectively)	15,629	32,563
Other long-term assets	15,052	9,730
Goodwill	426,939	426,939
Other intangible assets, net	28,072	34,935
Total Assets	1,634,997	1,512,133
Current Liabilities:
Accounts payable	15,930	17,081
Accrued liabilities	107,190	100,778
Medical claims payable	217,290	198,429
Other medical liabilities	74,197	76,914
Current maturities of long-term capital lease obligations	2,846
Total Current Liabilities	417,453	393,202
Long-term capital lease obligations	24,167
Deferred income taxes	32,766	34,086
Tax contingencies	32,846	60,697
Deferred credits and other long-term liabilities	9,036	6,815
Total Liabilities	516,268	494,800
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01 per share Authorized - 10,000 shares at December 31, 2012 and September 30, 2013 - Issued and outstanding - none
Other Stockholders' Equity:
Additional paid-in capital	890,932	848,238
Retained earnings	1,082,002	975,232
Accumulated other comprehensive loss	(72)	(35)
Ordinary common stock in treasury, at cost, 18,575 and 19,531 shares at December 31, 2012 and September 30, 2013, respectively	(854,599)	(806,561)
Total Stockholders' Equity	1,118,729	1,017,333
Total Liabilities and Stockholders' Equity	1,634,997	1,512,133
Ordinary common stock
STOCKHOLDERS' EQUITY
Common stock	466	459
Multi-Vote common stock
STOCKHOLDERS' EQUITY
Common stock