Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations and Disposal Groups [Abstract]

Summary of financial information has been segregated from continuing operations

The following summarized financial information has been segregated from continuing operations and reported as Discontinued Operations for the years ended December 31, 2017, 2016, and 2015 (in thousands):

	Drilling Technologies									Production Technologies
	2017			2016			2015			2017			2016			2015
Discontinued operations:
Revenue	$	11,534		$	27,627		$	52,112		$	4,002		$	8,292		$	12,281
Cost of revenue	(7,309		)	(18,667		)	(35,410		)	(3,236		)	(7,881		)	(10,179		)
Selling, general and administrative	(6,963		)	(15,285		)	(21,049		)	(1,759		)	(3,790		)	(4,158		)
Depreciation and amortization	—			(1,714		)	(3,240		)	—			(584		)	(658		)
Research and development	(5		)	(64		)	(202		)	(364		)	(888		)	(596		)
Gain (loss) on disposal of long-lived assets	97			103			17			—			(50		)	3
Impairment of inventory and long-lived assets	—			(36,522		)	(19,568		)	—			(3,913		)	(804		)
Loss from operations	(2,646		)	(44,522		)	(27,340		)	(1,357		)	(8,814		)	(4,111		)
Other expense	(96		)	(412		)	(259		)	(52		)	(96		)	(40		)
Loss on sale of businesses	(1,600		)	(1,199		)	—			(479		)	—			—
Loss on write-down of assets held for sale	(6,831		)	(18,971		)	—			(9,718		)	(6,161		)	—
Loss before income taxes	(11,173		)	(65,104		)	(27,599		)	(11,606		)	(15,071		)	(4,151		)
Income tax benefit	4,138			23,661			9,675			4,299			5,477			1,455
Net loss from discontinued operations	$	(7,035	)	$	(41,443	)	$	(17,924	)	$	(7,307	)	$	(9,594	)	$	(2,696	)

The assets and liabilities held for sale on the Consolidated Balance Sheets as of December 31, 2017 and 2016 are as follows (in thousands):

	Drilling Technologies					Production Technologies
	December 31, 2017		December 31, 2016			December 31, 2017		December 31, 2016
Assets:
Accounts receivable, net	$	—	$	5,072		$	—	$	1,784
Inventories	—		9,078			—		8,115
Other current assets	—		278			—		370
Long-term receivable	—		—			—		4,179
Property and equipment, net	—		11,277			—		3,978
Goodwill	—		15,333			—		1,689
Other intangible assets, net	—		7,395			—		484
Assets held for sale	—		48,433			—		20,599
Valuation allowance	—		(18,971		)	—		(6,161		)
Assets held for sale, net	$	—	$	29,462		$	—	$	14,438
Liabilities:
Accounts payable	$	—	$	2,472		$	—	$	914
Accrued liabilities	—		1,190			—		385
Liabilities held for sale	$	—	$	3,662		$	—	$	1,299