Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net (loss)	$ (40.9)	$ (12.1)
Adjustments to reconcile net (loss) to net cash provided by operating activities:
Depreciation	54.5	45.8
Amortization of intangible assets	22.9	25.5
Amortization of financing costs and original issue discount	1.8	1.9
Deferred taxes	(17.2)	(10.5)
Equity-based compensation	11.9	9.3
Realized (gain) loss on hedges	(4.3)	0.1
Other non-cash activities, net	0.9	(0.1)
Change in operating assets and liabilities:
Accounts receivable	(17.2)	(19.1)
Unbilled and deferred revenue	37.5	47.9
Other operating assets	23.3	(10.9)
Accounts payable and other operating liabilities	(18.2)	(35.5)
Net cash provided by operating activities	55.0	42.3
Cash flows from investing activities:
Purchase of property and equipment	(42.7)	(64.2)
Proceeds from sale of property and equipment	3.6	2.6
Business acquisitions, net of cash acquired	(13.8)	(84.4)
Other investing activities, net	1.1	0.3
Net cash (used) by investing activities	(51.8)	(145.7)
Cash flows from financing activities:
Repayments of finance lease obligations	(14.7)	(11.7)
Repayments of term loan	(6.0)	(5.2)
Repayments of receivables financing agreement	(279.5)	(95.0)
Repayments of revolving credit facility	(33.5)	0.0
Proceeds from receivables financing agreement, net of issuance costs	298.0	147.0
Proceeds from revolving credit facility	33.5	80.0
Proceeds from issuance of common stock, net of share issuance costs	0.7	0.9
Repurchase of common stock and distributions	(1.2)	(90.8)
Contingent business acquisition payments	(9.6)	0.0
Net cash (used) provided by financing activities	(12.3)	25.2
Net change in cash and cash equivalents	(9.1)	(78.2)
Cash and cash equivalents, beginning of period	20.1	123.7
Cash and cash equivalents, end of period	11.0	45.5
Supplemental Cash Flow Information
Cash (received) paid for income taxes, net	(21.8)	8.8
Cash paid for interest	$ 37.2	$ 17.7