The estimated fair values for each type of instrument are presented below (in millions).
| | | March 31, 2015 | | | Level One | | | Level Two | | | Level Three | | Asset Class: | | | | | | | | | | | | | Mutual fund investments in a non-qualified retirement plan(a) | | $ | 1.8 | | | $ | 1.8 | | | $ | - | | | $ | - | | Total Assets | | $ | 1.8 | | | $ | 1.8 | | | $ | - | | | $ | - | | Liability Class: | | | | | | | | | | | | | | | | | Liabilities related to non-qualified retirement plan | | $ | (1.8 | ) | | $ | (1.8 | ) | | $ | - | | | $ | - | | Derivatives – natural gas instruments | | | (3.3 | ) | | | - | | | | (3.3 | ) | | | - | | Total Liabilities | | $ | (5.1 | ) | | $ | (1.8 | ) | | $ | (3.3 | ) | | $ | - | |
| (a) | Includes mutual fund investments of approximately 15% in the common stock of large-cap U.S. companies, approximately 5% in the common stock of small-cap U.S. companies, approximately 5% in international companies, approximately 5% in bond funds, approximately 30% in short-term investments and approximately 40% in blended funds. |
| | | December 31, 2014 | | | Level One | | | Level Two | | | Level Three | | Asset Class: | | | | | | | | | | | | | Mutual fund investments in a non-qualified savings plan(a) | | $ | 1.9 | | | $ | 1.9 | | | $ | - | | | $ | - | | Total Assets | | $ | 1.9 | | | $ | 1.9 | | | $ | - | | | $ | - | | Liability Class: | | | | | | | | | | | | | | | | | Liabilities related to non-qualified savings plan | | $ | (1.9 | ) | | $ | (1.9 | ) | | $ | - | | | $ | - | | Derivatives – natural gas instruments | | | (3.4 | ) | | | - | | | | (3.4 | ) | | | - | | Total Liabilities | | $ | (5.3 | ) | | $ | (1.9 | ) | | $ | (3.4 | ) | | $ | - | |
| (a) | Includes mutual fund investments of approximately 15% in the common stock of large-cap U.S. companies, approximately 5% in the common stock of international companies, approximately 5% in bond funds, approximately 35% in short-term investments and approximately 40% in blended funds. |
|