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Debt | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Debt Disclosure [Text Block] | Debt Long-term debt at December 31, 2017 and December 31, 2016 consisted of the following:
(in millions) | 2017 |  | 2016
Notes, 7.125% due 2027, net of discount of $0.4 and $0.4 and debt issuance costs of $0.4 and $0.5 | $ | 162.4 |  |  | $ | 162.3 |
Senior notes, currently 4.625%, due 2021, net of debt issuances costs of $1.5 and $1.9 (A) | 148.2 |  |  | 147.8 |
Debentures, 7.375% due 2023, net of discount of $0.2 and $0.2 and debt issuance costs of $0.2 and $0.2 (A) | 103.4 |  |  | 103.4 |
Loan with Fond du Lac County Economic Development Corporation, 2.0% due 2021, net of discount of $3.0 and $3.8 and debt issuance costs of $0.1 and $0.1 | 19.6 |  |  | 23.8 |
Notes, various up to 5.8% payable through 2027, net of discount of $0.2 and $0.2 | 3.8 |  |  | 2.1 |
Total long-term debt | 437.4 |  |  | 439.4 |
Current maturities of long-term debt | (5.6 | ) |  | (5.6 | )
Long-term debt, net of current maturities | $ | 431.8 |  |  | $ | 433.8 |
(A) Included in Senior notes, 4.625 percent due 2021 and Debentures, 7.375 percent due 2023 at December 31, 2017 and December 31, 2016, are the aggregate fair values related to the fixed-to-floating interest rate swaps as discussed in Note 14 – Financial Instruments. Scheduled maturities, net:
(in millions) |
2018 | $ | 5.6 |
2019 | 5.9 |
2020 | 5.8 |
2021 | 153.3 |
2022 | 0.3 |
Thereafter | 266.5 |
Total long-term debt including current maturities | $ | 437.4 |
The 2021, 2023 and 2027 notes are unsecured and do not contain subsidiary guarantees. Interest on the Company's notes is due semi-annually. The Company's 2021 and 2027 notes are subject to redemption at any time at the Company's discretion, in whole or in part, at redemption prices specified in the respective agreements, plus any accrued and unpaid interest. The Company's 2023 notes are not subject to redemption provisions. The Company may be required to repurchase the 2021 notes in the event of a change of control, subject to certain circumstances, for an amount equal to 101 percent of the outstanding principal plus any accrued and unpaid interest at the time of the change of control. In June 2016, the Company entered into an Amended and Restated Credit Agreement (Credit Facility). The Credit Facility amended and restated the Company's existing credit agreement, dated as of March 2011, as amended and restated as of June 2014. The Credit Facility provides for $300.0 million of borrowing capacity and is in effect through June 2021. No borrowings were outstanding as of December 31, 2017 or during 2017 or 2016, and available borrowing capacity totaled $295.7 million, net of $4.3 million of letters of credit outstanding under the Credit Facility. The Credit Facility includes provisions to add an additional $100.0 million of capacity and extend the facility for two additional one-year terms, subject to lender approval. The Company currently pays a facility fee of 20 basis points per annum. The facility fee per annum will be within a range of 12.5 to 35 basis points based on the Company's credit rating. Under the terms of the Credit Facility, the Company has two borrowing options: borrowing at a rate tied to adjusted LIBOR plus a spread of 130 basis points or a base rate plus a margin of 30.0 basis points. The rates are determined by the Company's credit ratings, with spreads ranging from 100 to 190 basis points for LIBOR rate borrowings and 0 to 90 basis points for base rate borrowings. The Company is required to maintain compliance with two financial covenants included in the Credit Facility: a minimum interest coverage ratio and a maximum leverage ratio. The minimum interest coverage ratio, as defined in the agreement, is not permitted to be less than 3.00 to 1.00. The maximum leverage ratio, as defined in the agreement, is not permitted to be more than 3.50 to 1.00. As of December 31, 2017, the Company was in compliance with the financial covenants in the Credit Facility. As provided under the terms of its loan agreement with the Fond du Lac County Economic Development Corporation, which is secured by the Company's property located in Fond du Lac, Wisconsin, up to a maximum 43 percent of the principal due annually can be forgiven if the Company achieves certain employment targets as outlined in the agreement. The amount of loan forgiveness is based on average employment levels at the end of the previous four quarters. Total loan forgiveness in both 2017 and 2016 was $2.1 million or 43 percent of the principal due, and total loan forgiveness in 2015 was $2.0 million, or 41 percent of the principal due.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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