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Debt (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Debt | At September 30, 2017, and December 31, 2016, debt comprised the following:
(In thousands) |  | Maturity Dates |  | September 30, 2017 |  |  | December 31, 2016 |
Unsecured private placement notes |  |  |  |  |  |  |  |  |  |
3.95% (net of unamortized debt issuance cost of $354 and $382 for 2017 and 2016, respectively) |  | 2021-2027 |  | $ | 99,646 |  |  | $ | 99,618 |
3.86% (net of unamortized debt issuance cost of $355 and $390 for 2017 and 2016, respectively) |  | 2019-2025 |  |  | 99,645 |  |  |  | 99,610 |
4.86% (net of unamortized debt issuance cost of $200 and $225 for 2017 and 2016, respectively) |  | 2017-2023 |  |  | 64,800 |  |  |  | 64,775 |
5.88% (net of unamortized debt issuance cost of $100 and $116 for 2017 and 2016, respectively) |  | 2017-2022 |  |  | 28,471 |  |  |  | 34,170 |
5.69% (net of unamortized debt issuance cost of $16 and $28 for 2017 and 2016, respectively) |  | 2017-2018 |  |  | 11,412 |  |  |  | 11,400 |
Debt of foreign subsidiaries |  |  |  |  |  |  |  |  |  |
Unsecured bank term loan, foreign currency |  | 2017 |  |  | 452 |  |  |  | 432 |
Secured bank debt, foreign currency |  | 2017 |  |  | — |  |  |  | 7,008 |
Total debt |  |  |  | $ | 304,426 |  |  | $ | 317,013 |
Less current maturities |  |  |  |  | 21,165 |  |  |  | 28,154 |
Long-term debt |  |  |  | $ | 283,261 |  |  | $ | 288,859 |

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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=84159872&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=75038535&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=84159872&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=84159872&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=84159872&loc=d3e21521-112644 + Details
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