PROPERTY, PLANT AND EQUIPMENT (Tables)

6 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment as of March 31, 2024 and September 30, 2023 consisted of the following:

(in thousands)	Estimated Useful Lives	March 31, 2024		September 30, 2023
Drilling services equipment	4 - 15 years	$	6,529,103	$	6,396,612
Tubulars	4 years	570,981		564,032
Real estate properties	10 - 45 years	48,463		47,313
Other	2 - 23 years	455,147		443,366
Construction in progress1		131,171		97,374
		7,734,865		7,548,697
Accumulated depreciation		(4,741,040)		(4,627,002)
Property, plant and equipment, net		$	2,993,825	$	2,921,695
Assets held-for-sale		$	—	$	645

(1)Included in construction in progress are costs for projects in progress to upgrade or refurbish certain rigs in our existing fleet. Additionally, we include other advances for capital maintenance purchase-orders that are open/in process. As these various projects are completed, the costs are then classified to their appropriate useful life category.