Note 7 - Purchase Price Allocation (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2015	Mar. 24, 2015
Nabors Industries, Ltd. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables		$ 262,973	$ 262,973
Inventory		33,108	35,491
Inventory	[1]	(2,383)
Other current assets		8,678	8,857
Other current assets	[1]	(179)
Property, plant and equipment		989,522	1,024,622
Property, plant and equipment	[1]	(35,100)
Goodwill		499,413	444,162
Goodwill	[1]	55,251
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		28,300	28,300
Other assets		11,164	11,171
Other assets	[1]	(7)
Total assets acquired		1,833,158	1,815,576
Total assets acquired	[1]	17,582
Accounts Payable		(173,432)	(195,913)
Accounts Payable	[1]	22,481
Other current liabilities		(46,204)	(23,813)
Other current liabilities	[1]	(22,391)
Deferred income taxes		(205,187)	(187,515)
Deferred income taxes	[1]	(17,672)
Total liabilities assumed		(424,823)	(407,241)
Total liabilities assumed	[1]	(17,582)
Net assets acquired		1,408,335	$ 1,408,335
Goodwill		$ 742,860

[1] The measurement period adjustments reflect changes in the estimated fair values of certain assets and liabilities, including income taxes. The measurement period adjustments were recorded to reflect new information obtained about facts and circumstances existing as of the date the Merger was consummated and did not result from intervening events subsequent to that date.