Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.25%
United States [Member]
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)	$ 30
Canada [Member]
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)	$ 5
Minimum [Member]
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Maximum [Member]
Note 8 - Revolving Lines Of Credit And Long-Term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.15%