CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 386,489	$ 294,186
Accounts receivable, net	382,957	377,542
Inventories	251,366	224,281
Prepaid expenses and other current assets	95,473	98,330
Total current assets	1,116,285	994,339
NONCURRENT ASSETS:
Property and equipment, net	107,960	108,321
Operating lease right-of-use asset	83,732	72,424
Intangible assets, net	20,868	22,371
Referral sources, net	323,126	341,744
Goodwill	1,540,246	1,533,424
Other noncurrent assets	51,399	40,313
Total noncurrent assets	2,127,331	2,118,597
TOTAL ASSETS	3,243,616	3,112,936
CURRENT LIABILITIES:
Accounts payable	429,536	378,763
Accrued compensation and employee benefits	81,159	76,906
Accrued expenses and other current liabilities	88,921	84,302
Current portion of operating lease liability	18,468	19,380
Current portion of long-term debt	6,000	6,000
Total current liabilities	624,084	565,351
NONCURRENT LIABILITIES:
Long-term debt, net of discount, deferred financing costs and current portion	1,057,016	1,058,204
Operating lease liability, net of current portion	85,423	71,441
Deferred income taxes	33,921	22,154
Other noncurrent liabilities	3,089	9,683
Total noncurrent liabilities	1,179,449	1,161,482
Total liabilities	1,803,533	1,726,833
STOCKHOLDERS’ EQUITY:
Preferred stock; $0.0001 par value; 12,500,000 shares authorized, no shares outstanding as of September 30, 2023 and December 31, 2022	0	0
Common stock; $0.0001 par value: 250,000,000 shares authorized, 182,901,785 shares issued and 177,129,378 shares outstanding as of September 30, 2023; 182,341,420 shares issued and 181,957,698 shares outstanding as of December 31, 2022	18	18
Treasury stock; 5,772,407 and 383,722 shares outstanding, at cost, as of September 30, 2023 and December 31, 2022, respectively	(179,205)	(2,403)
Paid-in capital	1,197,874	1,176,906
Retained earnings	400,336	190,423
Accumulated other comprehensive income	21,060	21,159
Total stockholders’ equity	1,440,083	1,386,103
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,243,616	$ 3,112,936