Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating activities:
Net loss	$ (24,982)	$ (21,886)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation and amortization	61,153	74,095
Share-based compensation expense	6,928	6,866
Deferred income tax benefit	(6,240)	(3,659)
Changes in operating lease right-of-use assets and lease liabilities	14,452	1,139
Gain from sale and dispositions of patient service equipment, property and equipment	(5,353)	(15,619)
Changes in operating assets and liabilities:
Accounts receivable, net	111,613	(74,963)
Merchandise inventories	(274,589)	(35,412)
Accounts payable	157,668	52,926
Net change in other assets and liabilities	(76,476)	(39,617)
Other, net	760	3,168
Cash used for operating activities	(35,066)	(52,962)
Investing activities:
Acquisition, net of cash acquired	(55,697)	(45,997)
Proceeds from sale of property and equipment	16,884	49,538
Additions to computer software	(8,977)	(3,411)
Other, net	(410)	(2,000)
Cash used for investing activities	(48,200)	(1,870)
Financing activities:
Borrowings under amended Receivables Financing Agreement	0	205,000
Repayments under amended Receivables Financing Agreement	0	(139,300)
Borrowings under Revolving Credit Facility	776,984	0
Repayments under Revolving Credit Facility	(679,484)	0
Repayments of term loans	0	(4,625)
Repurchase of common stock	(1,503)	0
Other, net	(3,219)	(7,755)
Cash provided by financing activities	92,778	53,320
Effect of exchange rate changes on cash, cash equivalents and restricted cash	542	(618)
Net increase (decrease) in cash, cash equivalents and restricted cash	10,054	(2,130)
Cash, cash equivalents and restricted cash at beginning of period	49,382	272,924
Cash, cash equivalents and restricted cash at end of period	59,436	270,794
Supplemental disclosure of cash flow information:
Income taxes paid, net	125	2,365
Interest paid	27,487	18,211
Noncash investing activity:
Unpaid purchases of property and equipment and computer software at end of period	$ 81,085	$ 69,368