Impairments and Other Charges (Tables)

12 Months Ended

Dec. 31, 2017

Impairments and Other Charges

Schedule of impairments and other charges

	Year Ended December 31,
	2017		2016		2015
	(In thousands)
Tangible Assets & Equipment:
Provision for retirement of assets	$	—	$	69,072	$	65,633
Impairment of long-lived assets		6,895		216,355		74,464
Subtotal		6,895		285,427		140,097
Other Charges:
Other-than-temporary impairment		—		219,737		180,591
Provision for International operations		—		—		48,279
Transaction related costs		21,628		—		—
Loss (gain) on early extinguishment of debt		16,013		(6,665)		—
Total	$	44,536	$	498,499	$	368,967

Schedule of retirement and impairment charges for tangible assets

	Provision for		Tangible Asset
	Retirements		Impairments		Total
Drilling & Rig Technologies:
U.S.	$	25,365	$	163,182	$	188,547
Canada		19,573		1,125		20,698
International		23,275		12,721		35,996
Drilling Solutions		859		—		859
Rig Technologies		—		15,343		15,343
Other		—		23,984		23,984
Total	$	69,072	$	216,355	$	285,427

	Provision for		Tangible Asset
	Retirements		Impairments		Total
Drilling & Rig Technologies:
U.S.	$	47,247	$	—	$	47,247
Canada		7,547		—		7,547
International		10,839		52,479		63,318
Rig Technologies		—		3,879		3,879
Other		—		18,106		18,106
Total	$	65,633	$	74,464	$	140,097