CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 483,026	$ 343,849
Accounts receivable, net	428,951	377,658
Inventories	310,599	274,004
Prepaid expenses and other current assets	98,798	98,744
Total current assets	1,321,374	1,094,255
NONCURRENT ASSETS:
Property and equipment, net	125,911	120,630
Operating lease right-of-use asset	89,210	84,159
Intangible assets, net	17,768	20,092
Referral sources, net	291,839	315,304
Goodwill	1,540,246	1,540,246
Other noncurrent assets	41,379	42,349
Total noncurrent assets	2,106,353	2,122,780
TOTAL ASSETS	3,427,727	3,217,035
CURRENT LIABILITIES:
Accounts payable	591,971	426,513
Accrued compensation and employee benefits	60,835	92,508
Accrued expenses and other current liabilities	81,893	75,010
Current portion of operating lease liability	22,013	18,278
Current portion of long-term debt	6,512	6,000
Total current liabilities	763,224	618,309
NONCURRENT LIABILITIES:
Long-term debt, net of discount, deferred financing costs and current portion	1,105,106	1,056,650
Operating lease liability, net of current portion	87,879	85,484
Deferred income taxes	45,008	34,920
Other noncurrent liabilities	279	0
Total noncurrent liabilities	1,238,272	1,177,054
Total liabilities	2,001,496	1,795,363
STOCKHOLDERS’ EQUITY:
Preferred stock; $0.0001 par value; 12,500,000 shares authorized, no shares outstanding as of September 30, 2024 and December 31, 2023	0	0
Common stock; $0.0001 par value: 250,000,000 shares authorized, 183,793,536 shares issued and 170,146,331 shares outstanding as of September 30, 2024; 182,905,559 shares issued and 174,575,537 shares outstanding as of December 31, 2023	18	18
Treasury stock; 13,647,205 and 8,330,022 shares outstanding, at cost, as of September 30, 2024 and December 31, 2023, respectively	(416,552)	(255,107)
Paid-in capital	1,224,059	1,204,270
Retained earnings	609,203	457,513
Accumulated other comprehensive income	9,503	14,978
Total stockholders’ equity	1,426,231	1,421,672
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,427,727	$ 3,217,035