The estimated fair values for each type of instrument are presented below (in millions).
| | | September 30, 2011 | | | Level One | | | Level Two | | | Level Three | | Asset Class: | | | | | | | | | | | | | Mutual fund investments in a non-qualified savings plan(a) | | $ | 6.1 | | | $ | 6.1 | | | $ | - | | | $ | - | | Total Assets | | $ | 6.1 | | | $ | 6.1 | | | $ | - | | | $ | - | | Liability Class: | | | | | | | | | | | | | | | | | Liabilities related to non-qualified savings plan | | $ | (6.1 | ) | | $ | (6.1 | ) | | $ | - | | | $ | - | | Derivatives – natural gas instruments | | | (4.9 | ) | | | - | | | | (4.9 | ) | | | - | | Total Liabilities | | $ | (11.0 | ) | | $ | (6.1 | ) | | $ | (4.9 | ) | | $ | - | |
(a) | Includes mutual fund investments of approximately 25% in the common stock of large-cap U.S. companies, approximately 10% in the common stock of small-cap U.S. companies, approximately 5% in the common stock of international companies, approximately 15% in debt securities of U.S. companies, approximately 20% in short-term investments and approximately 25% in blended funds. |
| | | December 31, 2010 | | | Level One | | | Level Two | | | Level Three | | Asset Class: | | | | | | | | | | | | | Mutual fund investments in a non-qualified savings plan(a) | | $ | 6.2 | | | $ | 6.2 | | | $ | - | | | $ | - | | Derivatives - natural gas instruments | | | 0.3 | | | | - | | | | 0.3 | | | | - | | Total Assets | | $ | 6.5 | | | $ | 6.2 | | | $ | 0.3 | | | $ | - | | Liability Class: | | | | | | | | | | | | | | | | | Liabilities related to non-qualified savings plan | | $ | (6.2 | ) | | $ | (6.2 | ) | | $ | - | | | $ | - | | Derivatives – natural gas instruments | | | (7.3 | ) | | | - | | | | (7.3 | ) | | | - | | Derivatives – interest rate swaps | | | (0.6 | ) | | | - | | | | (0.6 | ) | | | - | | Total Liabilities | | $ | (14.1 | ) | | $ | (6.2 | ) | | $ | (7.9 | ) | | $ | - | |
(a) | Includes mutual fund investments of approximately 25% in the common stock of large-cap U.S. companies, approximately 15% in the common stock of small-cap U.S. companies, approximately 5% in the common stock of international companies, approximately 15% in debt securities of U.S. companies, approximately 20% in short-term investments and approximately 20% in blended funds. |
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