Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Summary of Significant Accounting Policies

Inventory

	December 31,
	2014		2013
	(In thousands)
Raw materials	$	133,797	$	128,606
Work-in-progress		39,617		26,762
Finished goods		56,653		54,425
	$	230,067	$	209,793

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

	Balance at December 31, 2012		Acquisitions and Purchase Price Adjustments			Disposals and Impairments			Cumulative Translation Adjustment			Balance at December 31, 2013
	(In thousands)
Drilling & Rig Services:
U.S.	$	50,149	$	—		$	—		$	—		$	50,149
Rig Services		32,113		15,828	(1)		(9,631)	(2)		(1,049	)		37,261
Subtotal Drilling & Rig Services		82,262		15,828			(9,631	)		(1,049	)		87,410
Completion & Production Services
Completion		334,992		—			—			—			334,992
Production		55,072		35,490	(3)		—			—			90,562
Subtotal Completion & Production
Services		390,064		35,490			—			—			425,554
Total	$	472,326	$	51,318		$	(9,631	)	$	(1,049	)	$	512,964

	Balance at December 31, 2013		Acquisitions and Purchase Price Adjustments			Disposals and Impairments			Cumulative Translation Adjustment			Balance at December 31, 2014
	(In thousands)
Drilling & Rig Services:
U.S.	$	50,149	$	—		$	—		$	—		$	50,149
Rig Services		37,261		17,268	(4)		(21,613)	(5)		(1,249	)		31,667
Subtotal Drilling & Rig Services		87,410		17,268			(21,613	)		(1,249	)		81,816
Completion & Production Services
Completion		334,992		—			(334,992)	(5)		—			—
Production		90,562		1,550			—			—			92,112
Subtotal Completion & Production
Services		425,554		1,550			(334,992	)		—			92,112
Total	$	512,964	$	18,818		$	(356,605	)	$	(1,249	)	$	173,928

(1)	Represents the goodwill recorded in connection with our acquisition of NES. See Note 6—Acquisitions for additional discussion.
(2)	Represents the removal of goodwill in connection with our sale of Peak and the logistic assets from one of our Canada subsidiaries.
(3)	Represents the goodwill recorded in connection with our acquisition of KVS. See Note 6—Acquisitions for additional discussion.
(4)	Represents the goodwill recorded in connection with our acquisition of 2TD. See Note 6—Acquisitions for additional discussion.
(5)	Represents the goodwill impairment associated with our acquisitions of NES and Superior in prior years. These impairment charges were deemed necessary due to the continued deterioration of oil prices. See Note 4—Impairments and Other Charges.