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Note 12 - Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 segment market	Dec. 31, 2012	Dec. 31, 2011
Note 12 - Segment Reporting (Details) [Line Items]
Number of Markets	3
Number of Reportable Segments	4
Business Combination, Acquisition Related Costs (in Dollars)	$ 5,831	$ 3,124	$ 6,372
Restructuring charges	$ 0	$ 0	$ 2,151
Water and Wastewater [Member]
Note 12 - Segment Reporting (Details) [Line Items]
Number of Geographic Segments	2

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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