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Note 1 - Description of Business (Details) - Business Acquisitions - Continued Purchase Price Allocation (USD $)
In Thousands, unless otherwise specified
12 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Fyfe Asia [Member]
Dec. 31, 2013
Brinderson LP [Member]
Jul. 02, 2013
Brinderson LP [Member]
Dec. 31, 2013
Payables [Member]
Fyfe Asia [Member]
Dec. 31, 2013
Payables [Member]
Brinderson LP [Member]
Identifiable Net Assets [Roll Forward]              
Total identifiable net assets     $ 20,342   $ 84,907    
Change in goodwill related to acquisitions     206 50   206 50
Total identifiable net assets     20,136 84,857 84,907    
FYFE Asia Adjustment - Goodwill              
Goodwill 334,180 272,294 19,802   62,698    
Change in goodwill related to acquisitions     206 50   206 50
Goodwill $ 334,180 $ 272,294 $ 20,008 $ 62,748 $ 62,698