Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net (loss) income		$ 28.3	$ 40.8
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation		101.2	79.8
Amortization of intangible assets		22.3	27.4
Amortization of financing costs and original issue discount		2.2	2.0
Loss on debt extinguishment	[1]	0.7	0.6
Deferred taxes		0.8	(10.1)
Equity-based compensation		13.6	15.1
Realized gain on hedges		(4.1)	(8.5)
Gain on divestiture		0.0	(44.0)
Other non-cash activities		(2.2)	(6.0)
Change in operating assets and liabilities:
Accounts receivable		10.0	(9.9)
Unbilled and deferred revenue		44.7	47.1
Other operating assets		(3.5)	21.4
Accounts payable and other operating liabilities		(6.6)	(3.6)
Net cash provided by operating activities		207.4	152.1
Cash flows from investing activities:
Purchase of property and equipment		(195.8)	(46.0)
Proceeds from sale of property and equipment		14.2	14.1
Proceeds from divestiture		0.0	51.6
Other investing activities		2.4	3.2
Net cash (used) provided by investing activities		(179.2)	22.9
Cash flows from financing activities:
Repayments of finance lease obligations		(38.4)	(26.4)
Repayments of receivables financing agreement		(27.9)	(82.2)
Proceeds from receivables financing agreement, net of issuance costs		14.5	0.5
Debt issuance and prepayment costs		(1.3)	(2.4)
Series A preferred stock dividend		(26.9)	(8.9)
Proceeds from issuance of common stock, net of share issuance costs		2.8	1.3
Repurchase of common stock and distributions		(14.5)	(3.1)
Contingent business acquisition payments		(0.5)	(4.7)
Increase in book overdrafts		2.5	0.0
Other financing activities		0.2	(0.2)
Net cash (used) by financing activities		(89.5)	(126.1)
Net change in cash and cash equivalents		(61.3)	48.9
Cash and cash equivalents, beginning of period		140.4	67.0
Cash and cash equivalents, end of period		79.1	115.9
Supplemental Cash Flow Information:
Cash paid for income taxes, net		2.4	14.8
Cash paid for interest		43.3	61.9
Accrual for property and equipment		9.1	21.3
Series A Convertible Preferred Stock
Supplemental Cash Flow Information:
Non-cash Series A Preferred Stock dividends		$ 0.0	$ 8.9

[1] Represents losses on the extinguishment of debt related to Amendment No. 9 to the Credit Agreement, in the fiscal year ending September 30, 2025 and includes accelerated amortization of deferred financing fees and original issue discount as well as fees paid to lenders and third parties.