Note 15 - Income Taxes (Details) - Major Tax Jurisdictions In Which The Company And Affiliates Operate And The Earliest Tax Year Subject to Examination	15 Months Ended
	May 31, 2013
Federal [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2013
State (Various) [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2013
France [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2013
United Kingdom [Member]
Income Tax Examination [Line Items]
Open Tax Years	2011 through 2013