Note 12 - Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Financial information by segment was as follows (in thousands):

	2013			2012			2011
Revenues:
Energy and Mining	$	562,119		$	513,975		$	420,411
North American Water and Wastewater	359,536			317,338			357,507
International Water and Wastewater	109,602			111,035			130,734
Commercial and Structural	60,163			74,483			17,114
Total revenues	$	1,091,420		$	1,016,831		$	925,766
Operating income (loss):
Energy and Mining	$	38,395		$	59,994		$	36,181
North American Water and Wastewater	33,029			22,057			6,749
International Water and Wastewater	208			(9,384		)	3,488
Commercial and Structural	(4,750		)	9,136			(711		)
Total operating income	$	66,882		$	81,803		$	45,707
Total assets:
Energy and Mining	$	723,468		$	569,109		$	465,792
North American Water and Wastewater	263,173			268,097			281,353
International Water and Wastewater	112,546			120,466			139,723
Commercial and Structural	139,058			142,561			128,358
Corporate	116,317			101,851			96,336
Discontinued Operations	8,356			15,810			13,402
Total assets	$	1,362,918		$	1,217,894		$	1,124,964
Capital expenditures:
Energy and Mining	$	15,367		$	34,796		$	11,092
North American Water and Wastewater	4,858			3,023			3,378
International Water and Wastewater	3,500			4,382			3,706
Commercial and Structural	470			443			43
Corporate	1,890			2,094			3,052
Total capital expenditures	$	26,085		$	44,738		$	21,271
Depreciation and amortization:
Energy and Mining	$	21,954		$	18,175		$	16,106
North American Water and Wastewater	8,398			8,886			9,405
International Water and Wastewater	4,304			4,405			4,735
Commercial and Structural	3,850			4,509			1,183
Corporate	1,823			1,683			4,103
Total depreciation and amortization	$	40,329		$	37,658		$	35,532

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

The following table summarizes revenues, gross profit and operating income (loss) by geographic region (in thousands):

	2013		2012		2011
Revenues:
United States	$	672,192	$	589,027	$	539,378
Canada	179,236		180,283		178,739
Europe	90,646		86,883		102,471
Other foreign	149,346		160,638		105,178
Total revenues	$	1,091,420	$	1,016,831	$	925,766
Operating income (loss):
United States	$	24,977	$	40,676	$	(1,042	)
Canada	28,955		31,376		31,892
Europe	6,276		6,196		9,391
Other foreign	6,674		3,555		5,466
Total operating income	$	66,882	$	81,803	$	45,707
Long-lived assets: (1)
United States	$	154,367	$	151,337	$	144,151
Canada	28,539		28,724		22,998
Europe	10,007		16,396		12,474
Other foreign	12,806		14,040		12,693
Total long-lived assets	$	205,719	$	210,497	$	192,316

__________________________

⁽¹⁾ Long-lived assets as of December 31, 2013, 2012 and 2011 do not include intangible assets, goodwill or deferred tax assets.