CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents ($81,776 and $83,061 restricted at December 31, 2016 and June 30, 2017, respectively)	$ 281,333	$ 304,508
Accounts receivable, less allowance of $5,644 and $7,402 at December 31, 2016 and June 30, 2017, respectively	628,539	606,764
Short-term investments ($227,795 and $225,443 restricted at December 31, 2016 and June 30, 2017, respectively)	300,436	297,493
Pharmaceutical inventory	59,738	58,995
Other current assets ($38,785 and $32,997 restricted at December 31, 2016 and June 30, 2017, respectively)	73,259	51,507
Total Current Assets	1,343,305	1,319,267
Property and equipment, net	165,088	172,524
Long-term investments ($6,306 and $8,395 restricted at December 31, 2016 and June 30, 2017, respectively)	8,395	7,760
Deferred income taxes	4,911	3,125
Other long-term assets	26,845	12,725
Goodwill	745,997	742,054
Other intangible assets, net	165,102	186,232
Total Assets	2,459,643	2,443,687
Current Liabilities:
Accounts payable	70,735	95,635
Accrued liabilities	179,053	202,176
Short-term contingent consideration	9,769	9,354
Medical claims payable	198,343	184,136
Other medical liabilities	189,628	197,856
Current debt and capital lease obligations	428,791	403,693
Total Current Liabilities	1,076,319	1,092,850
Long-term debt and capital lease obligations	201,148	214,686
Tax contingencies	15,168	13,981
Long-term contingent consideration	1,587	1,799
Deferred credits and other long-term liabilities	17,764	15,882
Total Liabilities	1,311,986	1,339,198
Redeemable non-controlling interest	3,919	4,770
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01 per share Authorized—10,000 shares at December 31, 2016 and June 30, 2017-Issued and outstanding-none
Ordinary common stock, par value $.01 per share Authorized-100,000 shares at December 31, 2016 and June 30, 2017-Issued and outstanding-51,993 and 23,517 shares at December 31, 2016, respectively, and 52,235 and 23,683 shares at June 30, 2017, respectively	522	520
Other Stockholders' Equity:
Additional paid-in capital	1,212,427	1,186,283
Retained earnings	1,312,535	1,289,288
Accumulated other comprehensive loss	(174)	(175)
Treasury stock, at cost, 28,476 and 28,552 shares at December 31, 2016 and June 30, 2017, respectively	(1,381,572)	(1,376,197)
Total Stockholders' Equity	1,143,738	1,099,719
Total Liabilities, Redeemable Non-Controlling Interest and Stockholders' Equity	$ 2,459,643	$ 2,443,687