Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Mar. 31, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The tables below summarize changes in accumulated other comprehensive loss ("AOCL"), net of tax, attributable to Air Products for the three and six months ended 31 March 2024:

	Derivatives qualifying as hedges	Foreign currency translation adjustments	Pension and postretirement benefits	Total
Balance at 31 December 2023	$11.9	($1,548.7)	($583.5)	($2,120.3)
Other comprehensive income (loss) before reclassifications	82.3	(223.8)	—	(141.5)
Amounts reclassified from AOCL	34.8	—	13.6	48.4
Net current period other comprehensive income (loss)	117.1	(223.8)	13.6	(93.1)
Amount attributable to noncontrolling interests	75.6	(13.2)	0.1	62.5
Balance at 31 March 2024	$53.4	($1,759.3)	($570.0)	($2,275.9)

	Derivatives qualifying as hedges	Foreign currency translation adjustments	Pension and postretirement benefits	Total
Balance at 30 September 2023	$61.1	($1,913.3)	($597.2)	($2,449.4)
Other comprehensive (loss) income before reclassifications	(78.8)	156.8	—	78.0
Amounts reclassified from AOCL	(7.4)	—	27.3	19.9
Net current period other comprehensive (loss) income	(86.2)	156.8	27.3	97.9
Amount attributable to noncontrolling interests	(78.5)	2.8	0.1	(75.6)
Balance at 31 March 2024	$53.4	($1,759.3)	($570.0)	($2,275.9)

Schedule of Reclassification out of Accumulated Other Comprehensive Income (Loss)

The table below summarizes the reclassifications out of AOCL and the affected line item on the consolidated income statements:

	Three Months Ended		Six Months Ended
	31 March		31 March
	2024	2023	2024	2023
Loss (Gain) on Cash Flow Hedges, net of tax
Sales	($0.3)	$0.1	($0.1)	$0.1
Cost of sales	0.4	1.8	1.4	2.8
Interest expense	0.7	0.7	1.5	1.7
Other non-operating income (expense), net	34.0	3.2	(10.2)	(67.5)
Total Loss (Gain) on Cash Flow Hedges, net of tax	$34.8	$5.8	($7.4)	($62.9)
Currency Translation Adjustment
Business and asset actions	$—	($0.3)	$—	($0.3)
Pension and Postretirement Benefits, net of tax(A)	$13.6	$14.4	$27.3	$26.3

(A)The components of net periodic benefit/cost reclassified out of AOCL include items such as prior service cost amortization, actuarial loss amortization, settlements, and curtailments and are included in “Other non-operating income (expense), net” on the consolidated income statements. Refer to Note 11, Retirement Benefits, for additional information.