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Short-Term Borrowings (Tables)
3 Months Ended
Mar. 31, 2020
Short-term Debt [Abstract]  
Schedule of Line of Credit

The Company maintains lines of credit aggregating $140.0 million.

(Millions)

As of March 31, 2020

Outstanding

Available

Maximum

Credit Type

Renewal Date

Bank of America

$

11.0

$

49.0

$

60.0

Uncommitted

September 18, 2020

PNC Bank

20.5

47.5

68.0

Committed

January 31, 2022

CoBank

2.0

10.0

12.0

Committed

November 30, 2020

$

33.5

$

106.5

$

140.0