Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Summary of Significant Accounting Policies

Inventory

	December 31,
	2016		2015
	(In thousands)
Raw materials	$	84,431	$	105,217
Work-in-progress		1,204		29,710
Finished goods		17,960		18,897
	$	103,595	$	153,824

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

The change in the carrying amount of goodwill for our business lines for the years ended December 31, 2016 and 2015 was as follows:

			Acquisitions
			and
	Balance at		Purchase			Disposals			Cumulative		Balance at
	December 31,		Price			and			Translation		December 31,
	2014		Adjustments			Impairments			Adjustment		2015
	(In thousands)
Drilling & Rig Services:
U.S.	$	50,149	$	—		$	—		$	—	$	50,149
International		—		75,634	(1)		—			—		75,634
Rig Services		31,667		10,868	(2)		—			(1,659)		40,876
Subtotal Drilling & Rig Services		81,816		86,502			—			(1,659)		166,659
Completion & Production Services
Completion		—		—			—			—		—
Production		92,112		—			(92,112)	(3)		—		—
Subtotal Completion & Production Services		92,112		—			(92,112)			—		—
Total	$	173,928	$	86,502		$	(92,112)		$	(1,659)	$	166,659

			Acquisitions
			and
	Balance at		Purchase		Disposals		Cumulative		Balance at
	December 31,		Price		and		Translation		December 31,
	2015		Adjustments		Impairments		Adjustment		2016
	(In thousands)
Drilling & Rig Services:
U.S.	$	50,149	$	—	$	—	$	—	$	50,149
International		75,634		—		—		—		75,634
Rig Services		40,876		—		—		258		41,134
Total	$	166,659	$	—	$	—	$	258	$	166,917

(1) Represents the goodwill recorded in connection with our acquisition of Nabors Arabia. See Note 5—Acquisitions for additional discussion.

(2) Represents the goodwill recorded in connection with our acquisition of 2TD. See Note 5—Acquisitions for additional discussion.

(3) Represents the goodwill associated with the Completion & Production Services business that was merged with CJES. See Note 9—Investments in unconsolidated affiliates for additional discussion.