Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 148,033	$ 139,268
Accounts receivable, net	234,901	223,443
Prepaid expenses and other current assets	22,231	30,925
Income tax receivable	524	3,210
Deferred financing costs, net	564	564
Total current assets	406,253	397,410
Property and equipment, net	86,764	86,947
Goodwill	597,803	599,351
Intangible assets, net	128,170	131,849
Operating lease right-of-use assets	16,544	17,493
Deferred financing costs, net	968	1,109
Other assets	14,586	10,117
Total assets	1,251,088	1,244,276
Current liabilities:
Accounts payable, accrued expenses and other liabilities	81,242	97,747
Liability for appeals	3,906	3,570
Total current liabilities	85,148	101,317
Long-term liabilities:
Revolving credit facility	240,000	240,000
Operating lease liabilities	13,839	14,881
Net deferred tax liabilities	26,527	25,587
Other liabilities	7,727	7,626
Total long-term liabilities	288,093	288,094
Total liabilities	373,241	389,411
Commitments and contingencies
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;102,073,527 shares issued and 88,410,333 shares outstanding at March 31, 2020; 101,766,468 shares issued and 88,103,566 shares outstanding at December 31, 2019	1,021	1,018
Capital in excess of par value	490,261	479,964
Retained earnings	522,141	509,459
Treasury stock, at cost: 13,663,194 shares at March 31, 2020 and December 31, 2019	(135,576)	(135,576)
Total shareholders' equity	877,847	854,865
Total liabilities and shareholders' equity	$ 1,251,088	$ 1,244,276