CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended				6 Months Ended		9 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019
Cash flows from operating activities:
Net (loss) income	$ (95.9)	$ (139.9)	$ 36.4	$ 39.2	$ (235.8)	$ 75.6
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation					64.5	70.4
Amortization of intangible assets					93.8	95.5
Amortization of deferred financing costs					1.8	1.4
Fixed asset impairment					0.0	33.2
Goodwill impairment	0.0		0.0		156.6	0.0
Indefinite-lived intangible asset impairment					38.7	5.3
Deferred income taxes					(32.4)	(18.4)
Stock based compensation expense					19.7	34.4
Restructuring and other costs - non-cash					4.5	14.8
Other non-cash income					(3.7)	(16.7)
Loss on disposal of property, plant and equipment					0.6	0.6
Gain on divestiture of noncontrolling interest					0.0	(8.7)
Loss on sale of non-strategic businesses and product lines					0.0	14.5
Changes in operating assets and liabilities, net of acquisitions:
Accounts and notes receivable-trade, net					268.7	(1.5)
Inventories, net					(1.0)	(18.3)
Prepaid expenses and other current assets, net					33.0	7.9
Other noncurrent assets, net					5.9	6.9
Accounts payable					(88.7)	(32.2)
Accrued liabilities					(138.6)	(81.1)
Income taxes					(14.6)	(11.0)
Other noncurrent liabilities					(8.6)	1.8
Net cash provided by operating activities					164.4	174.4
Cash flows from investing activities:
Capital expenditures					(38.8)	(63.5)
Cash received on sale of non-strategic businesses or product lines					0.0	11.6
Cash received on derivative contracts					57.5	27.0
Purchase of short term investments					0.0	(0.3)
Proceeds from sale of property, plant and equipment, net					0.7	0.7
Net cash provided by (used in) investing activities					19.4	(24.5)
Cash flows from financing activities:
Repayments on short-term borrowings					(1.2)	(23.3)
Cash paid for treasury stock					(140.0)	(60.0)
Cash dividends paid					(44.0)	(39.1)
Proceeds from long-term borrowings					1,448.4	1.7
Repayments of long-term borrowings					(700.9)	(134.6)
Deferred financing costs					(6.3)	0.0
Proceeds from exercised stock options					5.4	76.4
Cash paid for contingent consideration on prior acquisitions					(2.7)	(30.6)
Payments for Derivative Instrument, Financing Activities					(30.5)		$ 0.0
Net cash provided by (used in) financing activities					528.2	(209.5)
Effect of exchange rate changes on cash and cash equivalents					(7.8)	0.1
Net increase (decrease) in cash and cash equivalents					704.2	(59.5)
Cash and cash equivalents at beginning of period		$ 404.9		$ 309.6	404.9	309.6	$ 309.6
Cash and cash equivalents at end of period	$ 1,109.1		$ 250.1		$ 1,109.1	$ 250.1