Note 3 - Details of Selected Balance Sheet Accounts

6 Months Ended

Jun. 30, 2013

Supplemental Balance Sheet Disclosures [Text Block]

Supplemental Balance Sheet Disclosures [Text Block]

3.  DETAILS OF SELECTED BALANCE SHEET ACCOUNTS  

Additional information regarding selected balance sheet accounts at June 30, 2013 and December 31, 2012 is presented below (in thousands):

	JUNE 30, 2013			DECEMBER 31, 2012
Accounts receivable, net:
Trade	$	549,799		$	616,680
Unbilled revenue		192,700			218,229
Other		2,970			3,691
Total accounts receivable		745,469			838,600
Allowance for doubtful accounts		(6,685	)		(5,815	)
	$	738,784		$	832,785

	JUNE 30, 2013			DECEMBER 31, 2012
Inventories, net:
Tubular goods	$	438,529		$	450,244
Other finished goods and purchased products		93,851			90,974
Work in process		67,799			64,267
Raw materials		112,898			107,356
Total inventories		713,077			712,841
Allowance for excess, damaged, remnant or obsolete inventory		(14,490	)		(11,345	)
	$	698,587		$	701,496

	Estimated Useful Life (years)			JUNE 30, 2013			DECEMBER 31, 2012
Property, plant and equipment, net:
Land				$	60,630		$	58,888
Accommodations assets	3	-	15		1,444,093			1,481,830
Buildings and leasehold improvements	3	-	40		196,196			194,676
Machinery and equipment	2	-	29		426,830			402,342
Completion services equipment	4	-	10		289,594			264,225
Office furniture and equipment	1	-	10		56,386			54,337
Vehicles	2	-	10		132,561			123,474
Construction in progress					214,641			149,665
Total property, plant and equipment					2,820,931			2,729,437
Accumulated depreciation					(962,521	)		(877,311	)
				$	1,858,410		$	1,852,126

	JUNE 30, 2013		DECEMBER 31, 2012
Accrued liabilities:
Accrued compensation	$	45,144	$	69,206
Insurance liabilities		12,488		11,411
Accrued taxes, other than income taxes		12,917		7,204
Accrued interest		14,193		4,042
Accrued commissions		3,769		3,763
Other		11,447		12,280
	$	99,958	$	107,906