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Discontinued Operations, Goodwill and Intangible Assets - Goodwill by segments (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2022 USD ($)
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	$ 3,502,499
Foreign Exchange Impact	(121,700)
Goodwill at the end of the period	3,380,761
Americas
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	2,626,400
Foreign Exchange Impact	(15,700)
Goodwill at the end of the period	2,610,700
International
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	876,100
Foreign Exchange Impact	(106,000)
Goodwill at the end of the period	$ 770,100

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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X

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

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+ References

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