REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 12, 2021 USD ($) rig	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Revenue From Contract With Customer [Line Items]
Revenue from performance contracts		$ 316,200	$ 191,200	$ 883,300	$ 483,600
Drilling services		721,567	$ 547,906	2,205,419	1,420,810
Capitalized fulfillment costs		$ 14,300		$ 14,300		$ 6,300
YPF S.A.
Revenue From Contract With Customer [Line Items]
Revenue recognized	$ 5,400
Litigation settlement, amount awarded from other party	$ 11,000
Drilling service contract, number of rigs | rig	3
Drilling services					$ 16,400