CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 376,872	$ 343,849
Accounts receivable, net	468,300	377,658
Inventories	281,421	274,004
Prepaid expenses and other current assets	100,820	98,744
Total current assets	1,227,413	1,094,255
NONCURRENT ASSETS:
Property and equipment, net	123,931	120,630
Operating lease right-of-use asset	92,714	84,159
Intangible assets, net	18,542	20,092
Referral sources, net	299,660	315,304
Goodwill	1,540,246	1,540,246
Other noncurrent assets	46,086	42,349
Total noncurrent assets	2,121,179	2,122,780
TOTAL ASSETS	3,348,592	3,217,035
CURRENT LIABILITIES:
Accounts payable	535,688	426,513
Accrued compensation and employee benefits	62,302	92,508
Accrued expenses and other current liabilities	68,959	75,010
Current portion of operating lease liability	21,946	18,278
Current portion of long-term debt	6,512	6,000
Total current liabilities	695,407	618,309
NONCURRENT LIABILITIES:
Long-term debt, net of discount, deferred financing costs and current portion	1,105,575	1,056,650
Operating lease liability, net of current portion	91,434	85,484
Deferred income taxes	44,558	34,920
Other noncurrent liabilities	187	0
Total noncurrent liabilities	1,241,754	1,177,054
Total liabilities	1,937,161	1,795,363
STOCKHOLDERS’ EQUITY:
Preferred stock; $0.0000 par value; 12,500,000 shares authorized, no shares outstanding as of June 30, 2024 and December 31, 2023	0	0
Common stock; $0.0001 par value: 250,000,000 shares authorized, 183,658,411 shares issued and 171,410,880 shares outstanding as of June 30, 2024; 182,905,559 shares issued and 174,575,537 shares outstanding as of December 31, 2023	18	18
Treasury stock; 12,247,531 and 8,330,022 shares outstanding, at cost, as of June 30, 2024 and December 31, 2023, respectively	(374,164)	(255,107)
Paid-in capital	1,214,600	1,204,270
Retained earnings	555,347	457,513
Accumulated other comprehensive income	15,630	14,978
Total stockholders’ equity	1,411,431	1,421,672
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,348,592	$ 3,217,035