Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies

Inventory

	March 31,		December 31,
	2013		2012
	(In thousands)
Raw materials	$	138,380	$	148,822
Work-in-progress	42,590		45,733
Finished goods	64,525		56,578
	$	245,495	$	251,133

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

			Acquisitions
			and
	Balance at		Purchase			Disposals		Cumulative			Balance at
	December 31,		Price			and		Translation			March 31,
	2012		Adjustments			Impairments		Adjustment			2013
	(In thousands)
Drilling & Rig Services:
U.S.	$	50,149	$	—		$	—	$	—		$	50,149
International	—		—			—		—			—
Rig Services	32,113		15,828		(1)	—		(394		)	47,547
Subtotal Drilling & Rig Services	82,262		15,828			—		(394		)	97,696
Completion & Production Services	390,064		—			—		—			390,064
Total	$	472,326	$	15,828		$	—	$	(394	)	$	487,760

(1) Represents the goodwill recorded in connection with our acquisition of Navigate Energy Services, Inc. (“NES”). See Note 11 - Supplemental Information for additional discussion.