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Debt (Tables) | 12 Months Ended
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Dec. 31, 2019
Debt Disclosure [Abstract] |
Schedule of Long-term Debt | Long-term debt at December 31, 2019 and December 31, 2018 consisted of the following:
(in millions) | 2019 |  | 2018
Term loan, floating rate due 2023, net of debt issuance costs of $1.3 and $1.6 (A) (D) | $ | 305.0 |  |  | $ | 339.7 |
Senior Notes, 6.375%, due 2049, net of debt issuances costs of $7.8 in 2019 | 222.2 |  |  | — |
Senior Notes, 6.500% due 2048, net of debt issuance costs of $8.2 and $8.5 | 176.8 |  |  | 176.5 |
Notes, 7.125% due 2027, net of discount of $0.3 and $0.3 and debt issuance costs of $0.4 and $0.4 | 162.5 |  |  | 162.5 |
Senior Notes, currently 6.625%, due 2049, net of debt issuances costs of $4.4 and $4.5 | 120.6 |  |  | 120.5 |
Debentures, 7.375% due 2023, net of discount of $0.1 and $0.2 and debt issuance costs of $0.2 and $0.2 (C) | 105.2 |  |  | 102.6 |
Loan with Fond du Lac County Economic Development Corporation, 2.0% due 2021, net of discount of $1.6 and $2.3 and debt issuance costs of $0.0 and $0.1 | 11.1 |  |  | 15.3 |
Notes, various up to 5.8% payable through 2028, net of discount of $0.0 and $0.2 | 5.9 |  |  | 6.9 |
Term loan, floating rate due 2021, net of debt issuance costs of $0.5 in 2018 (E) | — |  |  | 149.5 |
Senior Notes, currently 4.625%, due 2021, net of debt issuances costs of $1.0 in 2018 (B) | — |  |  | 147.3 |
Total long-term debt | 1,109.3 |  |  | 1,220.8 |
Current maturities of long-term debt | (41.3 | ) |  | (41.3 | )
Long-term debt, net of current maturities | $ | 1,068.0 |  |  | $ | 1,179.5 |
(A) Beginning in December 2018, scheduled repayment of the 5-year term loan occurs each March, June, September and December equal to 2.50% of the aggregate principal amount of $350.0 million. The remaining principal amount is due August 2023. (B) Included in Senior notes, 4.625 percent due 2021 at December 31, 2018, is the aggregate fair value related to the fixed-to-floating interest rate swap as discussed in Note 14 – Financial Instruments. (C) Included in Debentures, 7.375 percent due 2023 at December 31, 2019 and December 31, 2018, are the aggregate fair values related to the fixed-to-floating interest rate swaps as discussed in Note 14 – Financial Instruments. (D) As of December 31, 2019 and December 31, 2018, the interest rate was 3.50% and 4.10%, respectively. (E) As of December 31, 2018, the interest rate was 3.85%.
Schedule of Maturities of Long-term Debt, Net | Scheduled maturities, net:
(in millions) |
2020 | $ | 41.3 |
2021 | 42.0 |
2022 | 35.7 |
2023 | 305.8 |
2024 | 0.4 |
Thereafter | 684.1 |
Total long-term debt including current maturities | $ | 1,109.3 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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