v3.24.2
PROPERTY, PLANT AND EQUIPMENT (Tables)
 9 Months Ended
Jun. 30, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment as of June 30, 2024 and September 30, 2023 consisted of the following:
(in thousands)Estimated Useful LivesJune 30, 2024September 30, 2023
Drilling services equipment
4 - 15 years
$6,596,929 $6,396,612 
Tubulars
4 years
577,231 564,032 
Real estate properties
10 - 45 years
48,463 47,313 
Other
2 - 23 years
457,879 443,366 
Construction in progress1
124,844 97,374 
7,805,346 7,548,697 
Accumulated depreciation(4,791,001)(4,627,002)
Property, plant and equipment, net$3,014,345 $2,921,695 
Assets held-for-sale$— $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.