A summary of property, plant and equipment, net is as follows (in thousands):


	September 30, 2022			December 31, 2021
Machinery and equipment	$	379,849		$	360,353
Buildings, improvements and leasehold improvements		71,965			75,374
Automobiles, trucks, tractors and trailers		6,326			6,450
Furniture and fixtures		19,563			19,668
Construction-in-progress		6,696			6,700
Land		26,796			28,671
Oil and gas producing assets		178			44,700
Total		511,373			541,916
Accumulated depreciation and depletion		(227,467	)		(185,642	)
Property, plant and equipment, net	$	283,906		$	356,274

Depreciation and depletion expense associated with our property, plant and equipment for the three and nine months ended September 30, 2022 was $18.2 million and $69.8 million respectively. Depreciation and depletion expense, excluding depreciation and depletion related to assets held for sale, for the three months ended September 30, 2021, the Successor Period and Predecessor Period was $57.7 million, $154.2 million and $7.8 million, respectively.

Gains and losses on disposals of assets are recognized within other (gains) and losses, net in our statement of operations. Prior to emergence from bankruptcy, we recognized gains and losses on the disposal of assets within general and administrative expenses.

Other (gains) and losses, net for the three and nine months ended September 30, 2022 totaled $13.4 million and $30.3 million, respectively and for the three months ended September 30, 2021 and the Successor Period were $1.1 million and $0.7 million, respectively. Gains on the disposal of assets included in other (gains) and losses, net during the three and nine months ended September 30, 2022 were $13.4 million and $12.9 million, respectively and primarily relate to disposals of non-core businesses and assets within our Well Services segment.

During the second quarter of 2022, changes in estimates regarding the timing and the cost of decommissioning our oil and gas property under a reef-in-place program resulted in a reduction in the carrying value of our decommissioning liability and related note receivable, as well as impacted the carrying value of our oil and gas producing assets. In accordance with ASC 410, the carrying value of our oil and gas producing assets, which included capitalized oil and gas reserves and capitalized asset retirement costs, was reduced by $38.2 million, which represented the net book value of all of our oil and gas assets at the time of the reduction. In connection with these changes, we recognized a gain of approximately $17.4 million which is included in other (gains) and losses, net.