Revenue Recognition (Tables)

12 Months Ended

Sep. 30, 2021

Revenue Recognition [Abstract]

Disaggregation of Revenue

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

	Industrial Gases– Americas	Industrial Gases– EMEA	Industrial Gases– Asia	Industrial Gases– Global	Corporate and other	Total	%
2021
On-site	$2,469.5	$873.1	$1,718.8	$—	$—	$5,061.4	49	%
Merchant	1,698.1	1,571.8	1,202.0	—	—	4,471.9	43	%
Sale of Equipment	—	—	—	511.0	278.7	789.7	8	%
Total	$4,167.6	$2,444.9	$2,920.8	$511.0	$278.7	$10,323.0	100	%
2020
On-site	$2,040.2	$629.3	$1,652.8	$—	$—	$4,322.3	49	%
Merchant	1,590.5	1,297.0	1,063.7	—	—	3,951.2	45	%
Sale of Equipment	—	—	—	364.9	217.9	582.8	6	%
Total	$3,630.7	$1,926.3	$2,716.5	$364.9	$217.9	$8,856.3	100	%
2019
On-site	$2,230.6	$728.4	$1,622.6	$—	$—	$4,581.6	52	%
Merchant	1,642.9	1,274.1	1,041.0	—	—	3,958.0	44	%
Sale of Equipment	—	—	—	261.0	118.3	379.3	4	%
Total	$3,873.5	$2,002.5	$2,663.6	$261.0	$118.3	$8,918.9	100	%

Contract Assets and Liabilities

The table below details balances arising from contracts with customers:

30 September	Balance Sheet Location	2021	2020
Assets
Contract assets – current	Other receivables and current assets	$119.4	$55.9
Contract fulfillment costs – current	Other receivables and current assets	125.5	109.9
Liabilities
Contract liabilities – current	Payables and accrued liabilities	366.8	313.8
Contract liabilities – noncurrent	Other noncurrent liabilities	58.4	57.9