CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 343,849	$ 294,186
Accounts receivable, net	377,658	377,542
Inventories	274,004	224,281
Prepaid expenses and other current assets	98,744	98,330
Total current assets	1,094,255	994,339
NONCURRENT ASSETS:
Property and equipment, net	120,630	108,321
Operating lease right-of-use asset	84,159	72,424
Intangible assets, net	20,092	22,371
Referral sources, net	315,304	341,744
Goodwill	1,540,246	1,533,424
Other noncurrent assets	42,349	40,313
Total noncurrent assets	2,122,780	2,118,597
TOTAL ASSETS	3,217,035	3,112,936
CURRENT LIABILITIES:
Accounts payable	426,513	378,763
Accrued compensation and employee benefits	92,508	76,906
Accrued expenses and other current liabilities	75,010	84,302
Current portion of operating lease liability	18,278	19,380
Current portion of long-term debt	6,000	6,000
Total current liabilities	618,309	565,351
NONCURRENT LIABILITIES:
Long-term debt, net of discount, deferred financing costs and current portion	1,056,650	1,058,204
Operating lease liability, net of current portion	85,484	71,441
Deferred income taxes	34,920	22,154
Other noncurrent liabilities	0	9,683
Total noncurrent liabilities	1,177,054	1,161,482
Total liabilities	1,795,363	1,726,833
STOCKHOLDERS’ EQUITY:
Preferred stock; $0.0001 par value; 12,500,000 shares authorized, no shares outstanding as of December 31, 2023 and 2022, respectively.	0	0
Common stock; $0.0001 par value: 250,000,000 shares authorized, 182,905,559 shares issued and 174,575,537 shares outstanding as of December 31, 2023; 182,341,420 shares issued and 181,957,698 shares outstanding as of December 31, 2022.	18	18
Treasury stock; 8,330,022 and 383,722 shares outstanding, at cost, as of December 31, 2023 and 2022, respectively.	(255,107)	(2,403)
Paid-in capital	1,204,270	1,176,906
Retained earnings	457,513	190,423
Accumulated other comprehensive income	14,978	21,159
Total stockholders’ equity	1,421,672	1,386,103
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,217,035	$ 3,112,936