Note 3 - Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Balance Sheet Data [Abstract]

Allowance for Doubtful Accounts [Table Text Block]

Activity in the allowance for doubtful accounts is summarized as follows for the years ended December 31 (in thousands):

	2014			2013			2012
Balance, at beginning of year	$	3,441		$	2,953		$	3,077
Bad debt expense (1)	21,911			1,043			428
Write-offs and adjustments (1)	(6,045		)	(555		)	(552		)
Balance, at end of year	$	19,307		$	3,441		$	2,953

__________________________

⁽¹⁾  The Company recorded bad debt expense of $11.9 million in 2014 as part of the 2014 Restructuring Plan (see Note 3) and was primarily due to the exiting of certain low-return businesses mainly in foreign locations.

Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block]

Costs and estimated earnings on uncompleted contracts consisted of the following at December 31 (in thousands):

	2014			2013
Costs incurred on uncompleted contracts	$	795,139		$	740,403
Estimated earnings to date	158,982			141,413
Subtotal	954,121			881,816
Less – billings to date	(903,098		)	(826,795		)
Total	$	51,023		$	55,021
Included in the accompanying balance sheets:
Costs and estimated earnings in excess of billings	94,045			79,999
Billings in excess of costs and estimated earnings	(43,022		)	(24,978		)
Total	$	51,023		$	55,021

Schedule of Inventory, Current [Table Text Block]

Inventories are summarized as follows at December 31 (in thousands):

	2014		2013
Raw materials and supplies	$	22,807	$	19,680
Work-in-process	13,179		8,217
Finished products	9,692		12,518
Construction materials	13,514		18,353
Total	$	59,192	$	58,768

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consisted of the following at December 31 (in thousands):

	Estimated Useful Lives (Years)			2014(1)			2013
Land and land improvements				$	12,021		$	11,964
Buildings and improvements	5	—	40	62,548			63,870
Machinery and equipment	4	—	10	185,003			185,307
Furniture and fixtures	3	—	10	27,115			25,848
Autos and trucks	3	—	10	51,635			52,145
Construction in progress				15,400			31,012
Subtotal				353,722			370,146
Less – Accumulated depreciation				(185,509		)	(187,843		)
Total				$	168,213		$	182,303

__________________________

⁽¹⁾  During the third quarter of 2014, the Company recorded asset impairments of $11.9 million related to the 2014 Restructuring Plan (see Notes 2 and 3).

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses consisted of the following at December 31 (in thousands):

	2014		2013
Vendor and other accrued expenses	$	49,499	$	51,278
Estimated casualty and healthcare liabilities	17,780		13,775
Job costs	13,718		13,843
Accrued compensation	21,033		15,942
Income tax payable and deferred income taxes	9,587		10,628
Total	$	111,617	$	105,466