CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Consolidated net loss	$ (96,561)	$ (90,075)
Adjustments to reconcile net loss to net cash used in operating activities, net of acquisitions:
Depreciation and amortization	26,253	15,866
Employee stock compensation expense	3,827	20,300
Changes in deferred taxes	(21,303)	(1,907)
Provision for doubtful accounts	1,333	381
Amortization of debt issuance costs and original issue discount	1,512	1,203
Noncash interest and accretion expense	2,870	2,512
Loss on fair value remeasurement of embedded derivative	0	56,714
Other non-cash operating activities	8	603
Goodwill impairment loss	66,367	0
Loss on debt extinguishment	0	878
Non-cash amortization of inventory fair value step-up	427	6,277
Non-cash restructuring costs	678	0
Changes in operating assets and liabilities:
Trade receivables and contract assets	22,836	(8,926)
Inventories	7,125	(14,688)
Prepaid expenses and other current assets	1,862	(10,149)
Operating lease right-of-use assets and liabilities, net	429	1,457
Accounts payable	5,018	5,222
Accrued expenses and other liabilities	(3,474)	(11,510)
Fees invoiced in advance	(13,720)	28,402
Other asset and liabilities, net	(61)	1,467
Net cash provided by operating activities	5,426	4,027
Investing activities:
Capital expenditures	(16,840)	(15,202)
Proceeds from sale of equipment	276	283
Cash paid in acquisitions	0	(288,702)
Net cash used in investing activities	(16,564)	(303,621)
Financing activities:
Payments of long-term debt	0	(37,746)
Payments of debt issuance costs	(54)	(9,887)
Payments on promissory notes	(1,454)	(763)
Payments on revolving credit facility	(21,000)	(10,000)
Payments on senior term notes and delayed draw term loans	(1,375)	(601)
Borrowings on construction loans	0	1,184
Borrowings on revolving loan facility	6,000	10,000
Borrowings on delayed draw term loan	35,000	35,000
Proceeds from exercise of stock options	107	93
Proceeds from issuance of senior term notes	0	205,000
Payments on capex lines of credit	0	(1,749)
Net cash provided by financing activities	17,224	190,531
Effect of exchange rate changes on cash and cash equivalents	1,052	(392)
Net increase (decrease) in cash and cash equivalents	7,138	(109,455)
Less: cash, cash equivalents, and restricted cash held for sale	1,522	0
Cash, cash equivalents, and restricted cash at beginning of period	18,980	156,924
Cash, cash equivalents, and restricted cash at end of period, net of cash, cash equivalents and restricted cash held for sale	24,596	47,469
Noncash financing activity:
Seller financed acquisition	0	6,325
Paid in kind debt issuance costs	1,363	0
Supplemental disclosure of cash flow information:
Cash paid for interest	16,374	5,989
Income taxes paid, net	$ 3,952	$ 614