|
Note 3 - Debt and Other Financing Arrangements (Details Textual) (Revolving Credit Facility [Member], USD $)
In Millions, unless otherwise specified |
0 Months Ended | 6 Months Ended |
|---|---|---|
|
Jul. 28, 2014
|
Dec. 31, 2014
|
|
| Line of Credit Facility, Maximum Month-end Outstanding Amount | $ 144 | |
| Line of Credit Facility, Expiration Date | Jul. 31, 2019 | |
| 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% | |
|
Federal Funds Effective Swap Rate [Member]
|
||
| Debt Instrument, Basis Spread on Variable Rate | 0.50% | |
|
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
|
||
| Debt Instrument, Basis Spread on Variable Rate | 1.75% | |
|
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
|
||
| Debt Instrument, Basis Spread on Variable Rate | 1.00% |