Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 2026

Revenue from Contract with Customer [Abstract]

Schedule of Consolidated Sales Disaggregated by Supply Mode

The tables provided 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.

	Three Months Ended 31 March 2026
	Americas	Asia	Europe	Middle East  and India	Corporate and other	Total	%
On-site	$840.4	$580.8	$274.6	$15.9	$—	$1,711.7	54	%
Merchant	543.5	251.8	514.4	13.3	—	1,323.0	42	%
Sale of equipment	—	—	—	—	137.1	137.1	4	%
Total	$1,383.9	$832.6	$789.0	$29.2	$137.1	$3,171.8	100	%
	Three Months Ended 31 March 2025
	Americas	Asia	Europe	Middle East and India	Corporate and other	Total	%
On-site	$760.5	$523.1	$249.2	$19.7	$—	$1,552.5	53	%
Merchant	526.7	251.0	478.2	13.1	—	1,269.0	44	%
Sale of equipment	—	—	—	—	94.7	94.7	3	%
Total	$1,287.2	$774.1	$727.4	$32.8	$94.7	$2,916.2	100	%

	Six Months Ended 31 March 2026
	Americas	Asia	Europe	Middle East  and India	Corporate and other	Total	%
On-site	$1,624.3	$1,150.5	$538.6	$32.2	$—	$3,345.6	53	%
Merchant	1,101.3	513.6	1,032.4	27.3	—	2,674.6	43	%
Sale of equipment	—	—	—	—	254.1	254.1	4	%
Total	$2,725.6	$1,664.1	$1,571.0	$59.5	$254.1	$6,274.3	100	%
	Six Months Ended 31 March 2025
	Americas	Asia	Europe	Middle East  and India	Corporate and other	Total	%
On-site	$1,473.6	$1,052.4	$477.5	$37.3	$—	$3,040.8	52	%
Merchant	1,101.2	538.8	947.1	28.3	—	2,615.4	45	%
Sale of equipment	—	—	—	—	191.5	191.5	3	%
Total	$2,574.8	$1,591.2	$1,424.6	$65.6	$191.5	$5,847.7	100	%

Schedule of Contract Assets and Liabilities

The table below details balances arising from contracts with customers:

		31 March	30 September
	Balance Sheet Location	2026	2025
Assets
Contract assets – current	Other receivables and current assets	$97.8	$152.6
Contract fulfillment costs – current	Other receivables and current assets	85.2	85.4
Contract assets – noncurrent	Other noncurrent assets	106.8	82.3
Contract fulfillment costs – noncurrent	Other noncurrent assets	35.1	33.8
Liabilities
Contract liabilities – current	Payables and accrued liabilities	$247.8	$253.4
Contract liabilities – noncurrent	Other noncurrent liabilities	283.7	283.6