Property, Plant and Equipment

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

The following is a summary of property, plant and equipment at September 30, 2019 and December 31, 2018 (in thousands):



	Estimated Useful Lives in Years	September 30, 2019			December 31, 2018
Land	—	$	31,438		$	32,945
Land improvements	8-15	7,128			8,316
Buildings and improvements	13-39	115,141			125,088
Rental machinery and equipment	7	896,483			887,064
Machinery and equipment - other	7	60,571			61,796
Furniture, fixtures and computers	5	20,091			24,745
Automobiles and other vehicles	5	29,243			29,696
Leasehold improvements	7-15, or lease term if shorter	14,740			15,392
Construction in progress - machinery and equipment and land improvements	—	68,743			65,152
		1,243,578			1,250,194
Less: Accumulated depreciation		(877,126		)	(833,704		)
Total property, plant and equipment, net		$	366,452		$	416,490

During the first quarter of 2018, we sold a building classified as held for sale for $0.8 million and recorded an immaterial loss. During the second quarter of 2018, additional assets with a net book value of $4.5 million met the criteria to be classified as held for sale and were reclassified from property, plant and equipment to assets held for sale on our condensed consolidated balance sheet. During the third quarter of 2018, we sold a building classified as held for sale with a net book value of $0.3 million for $2.6 million. In addition, a building with a net book value of $5.0 million met the criteria to be classified as held for sale and was reclassified from property, plant and equipment to assets held for sale on our condensed consolidated balance sheet.

During the first quarter of 2019, buildings with a net book value of $1.1 million met the criteria to be classified as held for sale and were reclassified from property, plant and equipment to assets held for sale on our condensed consolidated balance sheet. During the second quarter of 2019, we sold a building classified as held for sale for $0.2 million and recorded an immaterial loss. During the third quarter of 2019, an additional building met the criteria to be classified as held for sale and a $4.0 million impairment loss was recorded, which is included in severance and other charges (credits), net on our condensed consolidated statements of operations. The building's remaining net book value of $5.3 million was reclassified from property, plant and equipment to assets held for sale on our condensed consolidated balance sheets.

The following table presents the depreciation and amortization expense associated with each line item for the three and nine months ended September 30, 2019 and 2018 (in thousands):



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Services	$	18,224	$	22,584	$	60,636	$	70,465
Products	376		1,051		1,235		3,319
General and administrative expenses	2,882		3,363		8,766		10,376
Total	$	21,482	$	26,998	$	70,637	$	84,160