CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents ($229,013 and $170,575 restricted at December 31, 2017 and March 31, 2018, respectively)	$ 394,326	$ 398,732
Accounts receivable, net	748,060	660,775
Short-term investments ($219,111 and $265,112 restricted at December 31, 2017 and March 31, 2018, respectively)	329,710	310,578
Pharmaceutical inventory	37,878	40,945
Other current assets ($41,121 and $49,939 restricted at December 31, 2017 and March 31, 2018, respectively)	108,872	72,323
Total Current Assets	1,618,846	1,483,353
Property and equipment, net	159,857	158,638
Long-term investments ($17,287 and $20,811 restricted at December 31, 2017 and March 31, 2018, respectively)	20,811	17,287
Deferred income taxes	1,128	813
Other long-term assets	21,489	22,567
Goodwill	1,013,313	1,006,288
Other intangible assets, net	256,293	268,288
Total Assets	3,091,737	2,957,234
Current Liabilities:
Accounts payable	73,084	74,300
Accrued liabilities	246,909	193,635
Short-term contingent consideration	6,892	6,892
Medical claims payable	390,098	327,625
Other medical liabilities	207,220	177,002
Current debt and capital lease obligations	61,498	112,849
Total Current Liabilities	985,701	892,303
Long-term debt and capital lease obligations	736,688	740,888
Deferred income taxes	11,170	12,298
Tax contingencies	14,743	14,226
Long-term contingent consideration	2,158	1,925
Deferred credits and other long-term liabilities	36,148	19,100
Total Liabilities	1,786,608	1,680,740
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01 per share Authorized—10,000 shares at December 31, 2017 and March 31, 2018-Issued and outstanding-none
Ordinary common stock, par value $.01 per share Authorized-100,000 shares at December 31, 2017 and March 31, 2018-Issued and outstanding-52,973 and 24,202 shares at December 31, 2017, respectively, and 53,398 and 24,627 shares at March 31, 2018, respectively	534	530
Other Stockholders' Equity:
Additional paid-in capital	1,296,536	1,274,811
Retained earnings	1,406,720	1,399,495
Accumulated other comprehensive loss	(699)	(380)
Treasury stock, at cost, 28,771 and 28,771 shares at December 31, 2017 and March 31, 2018, respectively	(1,397,962)	(1,397,962)
Total Stockholders' Equity	1,305,129	1,276,494
Total Liabilities and Stockholders' Equity	$ 3,091,737	$ 2,957,234