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