Revenue Recognition (Tables)

12 Months Ended

Sep. 30, 2025

Revenue Recognition [Abstract]

Disaggregation of Revenue

Disaggregation of Revenue

The tables below present our consolidated sales disaggregated by supply mode for each of our reportable segments. We believe this presentation best depicts the nature, timing, type of customer, and contract terms for our sales.

	Americas	Asia	Europe	Middle East and India	Corporate and other	Total	%
2025
On-site	$2,918.2	$2,190.9	$992.7	$78.6	$—	$6,180.4	52%
Merchant	2,207.7	1,080.1	1,991.8	57.3	—	5,336.9	44%
Sale of equipment	—	—	—	—	520.0	520.0	4%
Total	$5,125.9	$3,271.0	$2,984.5	$135.9	$520.0	$12,037.3	100%
2024
On-site	$2,844.4	$2,066.4	$910.5	$71.4	$—	$5,892.7	49%
Merchant	2,195.7	1,157.9	1,912.9	63.0	—	5,329.5	44%
Sale of equipment(A)	—	—	—	—	878.4	878.4	7%
Total	$5,040.1	$3,224.3	$2,823.4	$134.4	$878.4	$12,100.6	100%
2023
On-site	$3,143.9	$1,923.0	$1,036.6	$75.7	$—	$6,179.2	49%
Merchant	2,225.4	1,293.1	1,926.5	86.8	—	5,531.8	44%
Sale of equipment(A)	—	—	—	—	889.0	889.0	7%
Total	$5,369.3	$3,216.1	$2,963.1	$162.5	$889.0	$12,600.0	100%

(A)Through the end of fiscal year 2024, our Corporate and other segment included the liquefied natural gas ("LNG") process technology and equipment business, which was sold to Honeywell International Inc. on 30 September 2024. Refer to Note 4, Gain on Sale of Business, for additional information regarding the sale.

Interest income from financing and lease arrangements represented approximately 1% of our total consolidated sales in fiscal years 2025 and 2024, and less than 1% in fiscal year 2023.

Contract Assets and Liabilities

Contract Balances

The table below details balances arising from contracts with customers:

30 September	Balance Sheet Location	2025	2024
Assets
Contract assets – current	Other receivables and current assets	$152.6	$76.2
Contract fulfillment costs – current	Other receivables and current assets	85.4	103.7
Contract assets – noncurrent	Other noncurrent assets	82.3	—
Contract fulfillment costs – noncurrent	Other noncurrent assets	33.8	—
Liabilities
Contract liabilities – current	Payables and accrued liabilities	$253.4	$240.0
Contract liabilities – noncurrent	Other noncurrent liabilities	283.6	290.0