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Revenue - Contract Balances (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Sep. 30, 2024
Revenue from Contract with Customer [Abstract]
Contract assets	$ 92,349	$ 102,827
Contract liabilities	(282,595)	(287,763)
Net contract liability	(190,246)	(184,936)
Revenue recognized related to contract liabilities	116,900
Retention amounts included in accounts receivable	7,500	$ 7,100
Retained amount expected to be collected in the next twelve months	6,700
Retained amount expected to be collected	$ 800

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- Definition

Contract with Customer, Asset (Liability), Net, Current

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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