Note 1 - Description of Business (Tables)

12 Months Ended

Dec. 31, 2013

Dec. 31, 2014

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the fair value of identified assets and liabilities of the Brinderson acquisition at its acquisition date (in thousands):



	Brinderson
Cash	$	3,842
Receivables and cost and estimated earnings in excess of billings	28,353
Prepaid expenses and other current assets	655
Property, plant and equipment	6,848
Identified intangible assets	60,210
Other assets	1,071
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(30,622		)
Total identifiable net assets	$	70,357

Total consideration	$	146,605
Less: total identifiable net assets	70,357
Goodwill at December 31, 2014	$	76,248

Pro Forma [Member]

General [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

The following unaudited pro forma summary presents combined information of the Company as if the Brinderson acquisition had occurred at the beginning of the year preceding its acquisition (in thousands):



	2013
Revenues	$	1,199,653
Net income ⁽¹⁾	50,384

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⁽¹⁾	Includes pro-forma adjustments for purchase price depreciation and amortization as if those intangibles were recorded as of January 1 of the year preceding the respective acquisition date.

Since Acquisition [Member]

General [Line Items]

Business Acquisition, Pro Forma Information [Table Text Block]

The Brinderson acquisition made the following contributions to the Company’s revenues and profits (in thousands):



	Years Ended December 31,
	2014		2013
Revenues	$	305,807	$	108,233
Net income ⁽¹⁾	13,310		4,838

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⁽¹⁾	Net income includes an allocation of corporate expenses that is not necessarily an indication of the entity’s operations on a stand alone basis.

Brinderson LP [Member]

General [Line Items]

Schedule of Purchase Accounting Adjustments [Table Text Block]

The following adjustment was made during the fourth quarter of 2014 relative to the acquisition of Brinderson as the Company completed its purchase price accounting (in thousands):



	Brinderson
Goodwill at December 31, 2013	$	77,248
Decrease in goodwill related to working capital adjustment	(1,000		)
Goodwill at December 31, 2014	$	76,248

Fyfe Asia [Member]

General [Line Items]

Schedule of Purchase Accounting Adjustments [Table Text Block]

for a final purchase price of $21.1 million (in thousands):



	Fyfe Asia
Goodwill at December 31, 2013	$	20,008
Increase in goodwill related to working capital adjustment	1,098
Goodwill at December 31, 2014	$	21,106