PROPERTY, PLANT AND EQUIPMENT (Tables)

3 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment as of December 31, 2020 and September 30, 2020 consisted of the following:

(in thousands)	Estimated Useful Lives	December 31, 2020		September 30, 2020
Drilling services equipment	4 - 15 years	$	7,255,178	$	7,313,234
Tubulars	4 years	612,431		615,281
Real estate properties	10 - 45 years	43,365		43,389
Other	2 - 23 years	465,205		464,704
Construction in progress (1)		53,630		49,592
		8,429,809		8,486,200
Accumulated depreciation		(4,877,702)		(4,839,859)
Property, plant and equipment, net		$	3,552,107	$	3,646,341

(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 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.