CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 115,432	$ 255,303
Restricted cash	133,597	215,325
Accounts receivable, less allowance for doubtful accounts of $4,047 and $3,246 at December 31, 2014 and 2015, respectively	428,644	353,713
Short-term investments (restricted investments of $132,808 and $277,556 at December 31, 2014 and 2015, respectively)	322,339	224,361
Pharmaceutical inventory	50,749	39,375
Other current assets (restricted deposits of $30,620 and $27,752 at December 31, 2014 and 2015, respectively)	46,921	52,246
Total Current Assets	1,097,682	1,140,323
Property and equipment, net	174,745	171,916
Restricted long-term investments	3,826	43,293
Deferred income taxes	26,836	3,692
Other long-term assets	11,207	9,895
Goodwill	621,390	566,106
Other intangible assets, net	133,374	133,718
Total Assets	2,069,060	2,068,943
Current Liabilities:
Accounts payable	86,484	63,929
Accrued liabilities	139,726	146,617
Short-term contingent consideration	91,623	8,314
Medical claims payable	250,449	278,482
Other medical liabilities	136,939	72,719
Current maturities of long-term debt and capital lease obligations	19,014	15,779
Total Current Liabilities	724,235	585,840
Long-term debt and capital lease obligations	238,295	254,062
Deferred income taxes		7,416
Tax contingencies	12,677	12,320
Long-term contingent consideration	803	49,839
Deferred credits and other long-term liabilities	20,930	19,951
Total Liabilities	996,940	929,428
Redeemable non-controlling interest	$ 5,937	$ 5,957
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01 per share Authorized-10,000 shares at December 31, 2014 and 2015-Issued and outstanding-none
Other Stockholders' Equity:
Additional paid-in capital	$ 1,124,013	$ 1,018,266
Retained earnings	1,211,310	1,179,897
Accumulated other comprehensive loss	(262)	(143)
Ordinary common stock in treasury, at cost, 23,150 shares and 26,648 shares at December 31, 2014 and 2015, respectively	(1,269,391)	(1,064,963)
Total Stockholders' Equity	1,066,183	1,133,558
Total Liabilities, Redeemable Non-Controlling Interest and Stockholders' Equity	2,069,060	2,068,943
Ordinary common stock
STOCKHOLDERS' EQUITY
Common stock	$ 513	$ 501
Multi-Vote common stock
STOCKHOLDERS' EQUITY
Common stock