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Acquisitions (Details Textual) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Aquacue [Member]
Apr. 02, 2013
Aquacue [Member]
Jun. 30, 2013
Racine Federated, Inc. [Member]
Jan. 31, 2012
Racine Federated, Inc. [Member]
Business Acquisition (Textual) [Abstract]        
Acquisition of outstanding common stock   100.00%   100.00%
Cash   $ 14.0   $ 57.3
Deferred Purchase Price   3.0    
Current Assets 0.1      
Intangible Assets Other than Goodwill 5.6      
Goodwill Amount 10.7      
Current Liabilities 0.3      
Deferred Tax Liabilities, Noncurrent 2.1      
Transaction Costs 0.1      
Estimated adjustment in working capital       0.3
Other long-term liabilities     $ 4.6