COMBINED STATEMENTS OF CASH FLOWS (Condensed) (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flow from Operating Activities
Net (loss)/earnings	$ (2.5)	$ 68.2
Loss from discontinued operations, net of tax	(11.0)	0.0
Net (loss)/earnings from continuing operations	8.5	68.2
Depreciation and amortization	40.0	22.4
Deferred income taxes	0.2	13.6
Share-based compensation expense	14.1	14.0
Mandatory transition tax	1.5	28.8
Inventory step up	27.2	0.0
Non-cash items included in income, net	(5.8)	6.6
Other, net	(3.5)	(4.2)
Changes in current assets and liabilities used in operations	(69.2)	11.2
Net cash from operating activities from continuing operations	13.0	160.6
Net cash used by operating activities from discontinued operations	(11.2)	0.0
Net cash from operating activities	1.8	160.6
Cash Flow from Investing Activities
Capital expenditures	(20.7)	(11.3)
Proceeds from sale of assets	0.1	0.0
Acquisitions, net of cash acquired	(2,403.8)	0.0
Net cash used by investing activities from continuing operations	(2,424.4)	(11.3)
Net cash used by investing activities from discontinued operations	(450.6)	0.0
Net cash used by investing activities	(2,875.0)	(11.3)
Cash Flow from Financing Activities
Cash proceeds from issuance of debt with original maturities greater than 90 days	1,800.0	0.0
Payments on debt with maturities greater than 90 days	(438.4)	(2.0)
Net (decrease)/increase in debt with original maturities of 90 days or less	(239.1)	43.4
Debt issuance costs	(40.1)	0.0
Net proceeds from issuance of mandatory convertible preferred shares	199.5	0.0
Net proceeds from issuance of common stock	205.3	0.0
Dividends paid on common stock	(40.8)	(35.0)
Common stock purchased	0.0	(50.0)
Taxes paid for withheld share-based payments	(7.1)	(1.8)
Net cash from/(used by) financing activities from continuing operations	1,439.3	(45.4)
Net cash used by financing activities from discontinued operations	(1.0)	0.0
Net cash from/(used by) financing activities	1,438.3	(45.4)
Effect of exchange rate changes on cash	(0.5)	8.4
Net (decrease)/increase in cash, cash equivalents, and restricted cash from continuing operations	(972.6)	112.3
Net decrease in cash, cash equivalents, and restricted cash from discontinued operations	(462.8)	0.0
Net (decrease)/increase in cash, cash equivalents, and restricted cash	(1,435.4)	112.3
Cash, cash equivalents, and restricted cash, beginning of period	1,768.3	378.0
Cash, cash equivalents, and restricted cash, end of period	$ 332.9	$ 490.3