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Short-term Borrowings | 12 Months Ended
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Dec. 31, 2015
Short-term Borrowings [Abstract] |
Short-term Borrowings | Note 5 – Short-term Borrowings Information regarding the Company's short-term borrowings for the years ended December 31, 2015 and 2014 is summarized below:
|  | (Millions of Dollars)
|  | 2015 |  | 2014
Established Lines at Year-End |  | $ | 60.0 |  |  | $ | 60.0 |
Maximum Amount Outstanding |  |  | 19.0 |  |  |  | 33.5 |
Average Outstanding |  |  | 15.3 |  |  |  | 27.4 |
Notes Payable at Year-End |  |  | 3.0 |  |  |  | 19.0 |
Weighted Average Interest Rate |  |  | 1.19 | % |  |  | 1.41 | %
Weighted Average Interest Rate at Year-End |  |  | 1.41 | % |  |  | 1.17 | %
The maturity dates for the Notes Payable as of December 31, 2015 are in January 2016 and are extendable at the discretion of the Company. Interest rates for short-term borrowings are below the prime rate with no requirement for compensating balances.

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