Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 6,124	$ 9,824
Short-term investments	96,709	93,239
Accounts receivable, net	278,739	296,787
Prepaid expenses	14,951	14,878
Other current assets	12,069	13,261
Total current assets	408,592	427,989
Property and equipment, net	72,928	73,290
Goodwill	1,532,092	1,532,092
Intangible assets, net	17,487	18,491
Operating and finance lease right-of-use assets	66,793	66,924
Deferred income tax assets	102,778	105,925
Other assets	119,381	123,176
Total assets	2,320,051	2,347,887
Current liabilities:
Accounts payable and accrued expenses	226,675	374,225
Current portion of debt and finance lease liabilities, net	14,914	14,898
Current portion of operating lease liabilities	21,058	21,589
Income taxes payable	21,571	16,271
Total current liabilities	284,218	426,983
Line of credit	114,000	4,000
Long-term debt and finance lease liabilities, net	628,814	632,381
Long-term operating lease liabilities	43,977	44,213
Long-term professional liabilities	268,922	275,629
Deferred income tax liabilities	32,703	33,638
Other liabilities	37,646	39,411
Total liabilities	1,410,280	1,456,255
Commitments and contingencies
Shareholders' equity:
Preferred stock; $.01 par value; 1,000 shares authorized; none issued	0	0
Common stock; $.01 par value; 200,000 shares authorized; 83,634 and 82,947 sharesissued and outstanding, respectively	836	829
Additional paid-in capital	986,923	983,601
Accumulated other comprehensive loss	(3,131)	(3,735)
Retained deficit	(74,857)	(89,063)
Total shareholders' equity	909,771	891,632
Total liabilities and shareholders' equity	$ 2,320,051	$ 2,347,887