Note 4 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Schedule of Goodwill [Table Text Block]

	2012		2011
Energy and Mining	$	76.4	$	77.4
North American Water and Wastewater		101.9		101.8
European Water and Wastewater		22.4		21.8
Asia-Pacific Water and Wastewater		5.8		5.7
Commercial and Structural		44.8		43.2
Total goodwill	$	251.3	$	249.9

	2012		2011
Beginning balance (January 1, 2012 and 2011, respectively)	$	249.9	$	190.1
Additions to goodwill through acquisitions(1)(2)		0.1		63.7
Foreign currency translation		1.3		(3.9	)
Goodwill at end of period(3)	$	251.3	$	249.9

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	As of March 31, 2012 (1)									As of December 31, 2011
	Weighted Average Useful Lives (Years)		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
License agreements		8	$	3,924	$	(2,698	)	$	1,226	$	3,922	$	(2,654	)	$	1,268
Backlog		0		4,655		(4,157	)		498		4,651		(3,705	)		946
Leases		16		2,067		(120	)		1,947		2,067		(183	)		1,884
Trademarks		13		21,418		(2,392	)		19,026		21,396		(2,141	)		19,255
Non-competes		0		740		(740	)		—		740		(729	)		11
Customer relationships		16		104,495		(12,541	)		91,954		102,963		(10,970	)		91,993
Patents and acquired technology		18		53,889		(19,779	)		34,110		53,906		(19,608	)		34,298
			$	191,188	$	(42,427	)	$	148,761	$	189,645	$	(39,990	)	$	149,655

Schedule of Expected Amortization Expense [Table Text Block]

2012	$	10,434
2013		9,616
2014		9,616
2015		9,616
2016		9,615