Supplemental Information (Tables)

12 Months Ended

Sep. 30, 2019

Disclosure Text Block Supplement [Abstract]

Schedule of Other Receivables and Current Assets

Other Receivables and Current Assets 30 September	2019		2018
Contract assets		$64.3		$—
Contract fulfillment costs	64.5		—
Derivative instruments	142.5		61.1
Current capital lease receivables	90.9		92.1
Contracts in progress, less progress billings	—		77.5
Other	115.5		142.6
Other receivables and current assets		$477.7		$373.3

Schedule of Other Noncurrent Assets

Other Noncurrent Assets 30 September	2019		2018
Derivative instruments		$81.7		$85.0
Noncurrent customer receivable	118.0		92.4
Prepaid tax	17.0		13.2
Deferred tax assets	115.2		121.4
Pension benefits	28.7		131.7
Other	243.5		210.8
Other noncurrent assets		$604.1		$654.5

Schedule of Payables and Accrued Liabilities

Payables and Accrued Liabilities 30 September	2019		2018
Trade creditors		$519.3		$594.6
Payables associated with Lu'An	8.9		330.0
Contract liabilities	247.4		156.6
Accrued payroll and employee benefits	186.1		201.4
Pension and postretirement benefits	26.0		34.1
Dividends payable	255.7		241.5
Derivative instruments	91.2		54.2
Obligation for future contribution to an equity affiliate	94.4		—
Other	206.7		205.4
Payables and accrued liabilities		$1,635.7		$1,817.8

Schedule of Other Noncurrent Liabilities

Other Noncurrent Liabilities 30 September	2019		2018
Pension benefits		$651.2		$417.2
Postretirement benefits	36.0		47.0
Noncurrent customer liability	118.0		92.4
Long-term accrued income taxes related to U.S. tax reform	215.4		184.4
Contingencies related to uncertain tax positions	123.3		113.2
Contract liabilities	49.2		58.2
Environmental liabilities	59.1		64.6
Derivative instruments	21.2		39.9
Asset retirement obligations	201.9		189.5
Obligation for future contribution to an equity affiliate	—		94.4
Obligations associated with EfW	57.8		63.3
Other	179.3		172.8
Other noncurrent liabilities		$1,712.4		$1,536.9