The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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- Definition

Amount, after accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 842
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- Definition

Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

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Property, Plant and Equipment - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Property Plant And Equipment [Line Items]
Depreciation expenses	$ 87.5	$ 89.1	$ 76.7
Accelerated depreciation related to restructuring	3.6	6.9
Equipment on operating lease to others
Property Plant And Equipment [Line Items]
Equipment on operating lease, net	$ 15.4	$ 18.9
Equipment on operating lease to others \| Minimum
Property Plant And Equipment [Line Items]
Estimated useful life (in years)	5 years
Equipment on operating lease to others \| Maximum
Property Plant And Equipment [Line Items]
Estimated useful life (in years)	10 years