Derivative Instruments (Tables)

12 Months Ended

Sep. 30, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)

The pre-tax amount of gains (losses) recorded in Other comprehensive income (loss) related to cash flow hedges that would have been recorded in the Consolidated Statement of Operations had they not been so designated was (in millions):

	2023		2022		2021
Forward exchange contracts	$	17.2	$	70.5	$	(10.8)
Treasury locks	—		—		(28.0)

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location

The pre-tax amount of gains (losses) reclassified from Accumulated other comprehensive loss into the Consolidated Statement of Operations related to derivative forward exchange contracts designated as cash flow hedges, which offset the related gains and losses on the hedged items during the periods presented, was (in millions):

	2023		2022		2021
Sales	$	6.0	$	0.7	$	1.9
Cost of sales	33.4		21.8		(25.4)
Selling, general and administrative expenses	—		(0.9)		1.5
Interest expense	(3.5)		(3.6)		(2.3)
Total	$	35.9	$	18.0	$	(24.3)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

The pre-tax amount of gains (losses) from forward exchange contracts not designated as hedging instruments recognized in the Consolidated Statement of Operations was (in millions):

	2023		2022		2021
Cost of sales	$	1.6	$	0.5	$	(0.2)
Other (expense) income	(19.2)		38.6		(8.1)
Total	$	(17.6)	$	39.1	$	(8.3)

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The fair value of our derivatives and their location in our Consolidated Balance Sheet were (in millions):

		Fair Value (Level 2)
Derivatives Designated as Hedging Instruments	Balance Sheet Location	September 30, 2023		September 30, 2022
Forward exchange contracts	Other current assets	$	23.5	$	52.2
Forward exchange contracts	Other assets	5.6		8.0
Forward exchange contracts	Other current liabilities	(2.0)		(10.2)
Forward exchange contracts	Other liabilities	(0.7)		(1.0)
Total		$	26.4	$	49.0

		Fair Value (Level 2)
Derivatives Not Designated as Hedging Instruments	Balance Sheet Location	September 30, 2023		September 30, 2022
Forward exchange contracts	Other current assets	$	20.1	$	59.9
Forward exchange contracts	Other current liabilities	(8.8)		(21.0)
Total		$	11.3	$	38.9

Refer to Note 1 for further information regarding levels in the fair value hierarchy.