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Discontinued Operations, Goodwill, and Intangible Assets - Goodwill by segments (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2023 USD ($)
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	$ 3,418,930
Foreign exchange impact	29,500
Acquired	10,300
Goodwill at the end of the period	3,458,675
Americas
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	2,614,000
Foreign exchange impact	4,400
Acquired	10,300
Goodwill at the end of the period	2,628,700
International
Changes in the carrying value of goodwill by reporting segment
Goodwill at the beginning of the period	804,900
Foreign exchange impact	25,100
Goodwill at the end of the period	$ 830,000

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.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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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.

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