CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions		Total		Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Retained Earnings [Member] Adoption of Accounting Standards [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interests [Member]
Beginning balance at Sep. 30, 2020				260,400,000
Beginning balance at Sep. 30, 2020				$ 2.6	$ 10,916.3	$ 1,031.6		$ (1,319.9)	$ 16.9	[1]
Adoption of accounting standards	[2]						$ (3.8)
Compensation expense under share-based plans					50.9
Net income attributable to common stockholders						264.5
Dividends declared (per share - $0.25, $0.20, $0.50 and $0.40)	[3]					(106.1)
Issuance of common stock, net of stock received for tax withholdings				5,500,000
Issuance of common stock, net of stock received for tax withholdings				$ 0.1	90.3	(0.2)
Purchases of common stock		0
Other comprehensive income (loss), net of tax		$ 125.6	[4]					125.6
Net (loss) income		2.4							1.2	[1]
Total Stockholders' equity at Mar. 31, 2021		11,051.9
Ending balance at Mar. 31, 2021				265,900,000
Ending balance at Mar. 31, 2021		11,070.0		$ 2.7	11,057.5	1,186.0		(1,194.3)	18.1	[1]
Beginning balance at Dec. 31, 2020				263,300,000
Beginning balance at Dec. 31, 2020				$ 2.6	10,949.4	1,126.3		(1,115.3)	17.1	[1]
Compensation expense under share-based plans					31.0
Net income attributable to common stockholders						112.5
Dividends declared (per share - $0.25, $0.20, $0.50 and $0.40)	[3]					(52.6)
Issuance of common stock, net of stock received for tax withholdings				2,600,000
Issuance of common stock, net of stock received for tax withholdings				$ 0.1	77.1	(0.2)
Other comprehensive income (loss), net of tax								(79.0)
Net (loss) income		1.9							1.0	[1]
Total Stockholders' equity at Mar. 31, 2021		11,051.9
Ending balance at Mar. 31, 2021				265,900,000
Ending balance at Mar. 31, 2021		$ 11,070.0		$ 2.7	11,057.5	1,186.0		(1,194.3)	18.1	[1]
Beginning balance at Sep. 30, 2021		265,000,000.0		265,000,000.0
Beginning balance at Sep. 30, 2021		$ 11,690.0		$ 2.7	11,058.8	1,607.9		(999.1)	19.7	[1]
Compensation expense under share-based plans					39.7
Net income attributable to common stockholders						222.2
Dividends declared (per share - $0.25, $0.20, $0.50 and $0.40)	[3]					(133.7)
Issuance of common stock, net of stock received for tax withholdings				1,500,000
Issuance of common stock, net of stock received for tax withholdings					(4.5)	(2.0)
Purchases of common stock		(7,200,000)		(7,200,000)
Purchases of common stock		$ (332.1)		$ (0.1)	(300.1)	(31.9)
Other					(0.4)
Other comprehensive income (loss), net of tax		118.9	[4]					118.9
Net (loss) income		2.3							(0.5)	[1]
Distributions and adjustments to noncontrolling interests	[1]								(0.5)
Total Stockholders' equity at Mar. 31, 2022		$ 11,578.4
Ending balance at Mar. 31, 2022		259,300,000		259,300,000
Ending balance at Mar. 31, 2022		$ 11,597.1		$ 2.6	10,793.5	1,662.5		(880.2)	18.7	[1]
Beginning balance at Dec. 31, 2021				263,200,000
Beginning balance at Dec. 31, 2021				$ 2.6	10,996.1	1,711.2		(1,012.7)	20.1	[1]
Compensation expense under share-based plans					24.5
Net income attributable to common stockholders						39.9
Dividends declared (per share - $0.25, $0.20, $0.50 and $0.40)	[3]					(66.1)
Issuance of common stock, net of stock received for tax withholdings				1,200,000
Issuance of common stock, net of stock received for tax withholdings					(13.2)	(1.8)
Purchases of common stock				(5,100,000)
Purchases of common stock					(213.9)	(20.7)
Other comprehensive income (loss), net of tax								132.5
Net (loss) income		0.8							(0.9)	[1]
Distributions and adjustments to noncontrolling interests	[1]								(0.5)
Total Stockholders' equity at Mar. 31, 2022		$ 11,578.4
Ending balance at Mar. 31, 2022		259,300,000		259,300,000
Ending balance at Mar. 31, 2022		$ 11,597.1		$ 2.6	$ 10,793.5	$ 1,662.5		$ (880.2)	$ 18.7	[1]

[1] Excludes amounts related to contingently redeemable noncontrolling interests, which are separately classified outside of permanent equity on the Condensed Consolidated Balance Sheets.

[2] For fiscal 2021, the amount relates to the adoption of ASU 2016-13, “Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments”.

[3] Includes cash dividends paid and dividend equivalent units on certain restricted stock awards.

[4] All amounts are net of tax and noncontrolling interests.