Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Summary of Significant Accounting Policies

Inventory

	June 30,		December 31,
	2019		2018
	(In thousands)
Raw materials	$	130,904	$	116,840
Work-in-progress		14,452		20,329
Finished goods		33,011		28,418
	$	178,367	$	165,587

Change in the carrying amount of goodwill for various contract drilling segments and other operating segments

	Balance at		Disposals			Cumulative				Balance at
	December 31,		and			Translation		Other		June 30,
	2018		Impairments			Adjustment		Adjustment		2019
	(In thousands)
U.S. Drilling	$	50,149	$	—		$	—	$	2,054	$	52,203
International Drilling		75,634		(75,634)	(1)		—		—		—
Drilling Solutions		11,436		—			—		—		11,436
Rig Technologies		46,695		(18,000)	(1)		365		(2,054)		27,006
Total	$	183,914	$	(93,634)		$	365	$	—	$	90,645

(1) As part of our annual review during the second quarter of 2019, we determined the carrying value of some of our reporting units exceeded their fair value. As such, we recognized a goodwill impairment of $93.6 million. See Note 9—Impairments and Other Charges.