Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ (5.7)	$ (33.1)
Adjustments to reconcile net (loss) to net cash provided by operating activities:
Depreciation	42.3	39.5
Amortization of intangible assets	26.4	27.1
Amortization of financing costs and original issue discount	1.9	1.8
Deferred taxes	(0.8)	(11.6)
Equity-based compensation	10.2	13.1
Realized loss on hedges	5.6	6.6
Other non-cash activities, net	1.2	(0.3)
Change in operating assets and liabilities:
Accounts receivable	(48.7)	8.1
Unbilled and deferred revenue	37.0	63.9
Other operating assets	8.1	(18.3)
Accounts payable and other operating liabilities	5.9	(11.1)
Net cash provided by operating activities	83.4	85.7
Cash flows from investing activities:
Purchase of property and equipment	(27.9)	(35.1)
Proceeds from sale of property and equipment	3.4	2.7
Business acquisitions, net of cash acquired	(75.7)	(87.1)
Other investing activities, net	0.2	0.6
Net cash (used) by investing activities	(100.0)	(118.9)
Cash flows from financing activities:
Repayments of finance lease obligations	(8.8)	(3.2)
Repayments of term loan	(5.2)	(5.2)
Repayments of receivables financing agreement	(24.6)	(50.0)
Repayments of revolving credit facility		(10.0)
Proceeds from receivables financing agreement, net of issue costs	24.0	80.0
Proceeds from revolving credit facility		70.0
Proceeds from issuance of common stock, net of share issuance costs	1.0	0.1
Repurchase of common stock and distributions	(1.1)
Other financing activities, net	(2.0)	0.4
Net cash (used) provided by financing activities	(16.7)	82.1
Net change in cash and cash equivalents	(33.3)	48.9
Cash and cash equivalents, beginning of period	157.1	39.1
Cash and cash equivalents, end of period	$ 123.8	$ 88.0