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Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Debt Disclosure [Abstract] |
Schedule of Long-term Debt | Long-term debt at December 31, 2016 and December 31, 2015 consisted of the following:
(in millions) | 2016 |  | 2015
Notes, 7.125% due 2027, net of discount of $0.4 and $0.4 and debt issuance costs of $0.5 and $0.6 | $ | 162.3 |  |  | $ | 162.2 |
Senior notes, currently 4.625%, due 2021, net of debt issuances costs of $1.9 and $2.3 (A) | 147.8 |  |  | 149.6 |
Debentures, 7.375% due 2023, net of discount of $0.2 and $0.2 and debt issuance costs of $0.2 and $0.3 (A) | 103.4 |  |  | 104.7 |
Loan with Fond du Lac County Economic Development Corporation, 2.0% due 2021, net of discount of $3.8 and $4.5 and debt issuance costs of $0.1 and $0.1 | 23.8 |  |  | 28.1 |
Notes, various up to 5.892% payable through 2027, net of discount of $0.2 in 2016 | 5.1 |  |  | 3.9 |
Total long-term debt | 442.4 |  |  | 448.5 |
Current maturities of long-term debt | (5.9 | ) |  | (6.0 | )
Long-term debt, net of current maturities | $ | 436.5 |  |  | $ | 442.5 |
(A) Included in Senior notes, 4.625% due 2021 and Debentures, 7.375% due 2023 at December 31, 2016 and December 31, 2015, are the aggregate fair values related to the fixed-to-floating interest rate swaps as discussed in Note 14 – Financial Instruments.
Schedule of Maturities of Long-term Debt, Net | Scheduled maturities, net:
(in millions) |
2017 | $ | 5.9 |
2018 | 5.7 |
2019 | 5.7 |
2020 | 5.8 |
2021 | 152.4 |
Thereafter | 266.9 |
Total long-term debt including current maturities | $ | 442.4 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 + Details
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