Annual report pursuant to Section 13 and 15(d)

Note 7 - Debt and Other Financing Arrangements (Details Textual)

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Note 7 - Debt and Other Financing Arrangements (Details Textual) - USD ($)
$ in Millions
Jul. 28, 2014
Jun. 30, 2015
Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member]    
Debt Instrument, Basis Spread on Variable Rate 0.50%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.00%  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]    
Debt Instrument, Basis Spread on Variable Rate 1.75%  
Revolving Credit Facility [Member]    
Line of Credit Facility, Current Borrowing Capacity $ 150  
Line of Credit Facility, Additional Borrowing Capacity $ 150  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.15%  
Long-term Line of Credit   $ 73