Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 168,289	$ 175,999
Accounts receivable, net of allowance of $9,985 and $10,772, at March 31, 2017 and December 31, 2016, respectively	166,604	173,582
Prepaid expenses	16,376	13,699
Income tax receivable	4,088	3,354
Other current assets	568	1,001
Total current assets	355,925	367,635
Property and equipment, net	93,176	92,167
Goodwill	379,716	379,716
Intangible assets, net	33,470	37,797
Deferred financing costs, net	2,269	2,790
Other assets	2,566	2,650
Total assets	867,122	882,755
Current liabilities:
Accounts payable, accrued expenses and other liabilities	38,593	59,402
Estimated liability for appeals	31,544	30,755
Total current liabilities	70,137	90,157
Long-term liabilities:
Revolving credit facility	197,796	197,796
Net deferred tax liabilities	22,965	22,717
Deferred rent	5,265	5,427
Other liabilities	10,127	10,048
Total long-term liabilities	236,153	235,988
Total liabilities	306,290	326,145
Commitments and contingencies (Note 10)
Shareholders' equity:
Preferred stock -- $0.01 par value; 5,000,000 shares authorized; none issued	0	0
Common stock -- $0.01 par value; 175,000,000 shares authorized; 96,299,517 shares issued and 83,885,439 shares outstanding at March 31, 2017; 95,966,852 shares issued and 83,552,774 shares outstanding at December 31, 2016	959	959
Capital in excess of par value	347,805	345,025
Retained earnings	327,552	326,110
Treasury stock, at cost: 12,414,078 shares at March 31, 2017 and December 31, 2016	(115,484)	(115,484)
Total shareholders' equity	560,832	556,610
Total liabilities and shareholders' equity	$ 867,122	$ 882,755