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Commitments, Contingencies and Legal Proceedings (Tables) | 12 Months Ended
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Dec. 31, 2017
Commitments And Contingencies Disclosure [Abstract] |
Summary of Minimum Annual Payment Due on Noncancelable Operating Lease | The following table summarizes the minimum annual payments due on noncancelable operating leases and other similar contractual obligations having initial or remaining terms in excess of one year:
In thousands |  | Leases |  |  |  | Other |
2018 |  | $ | 12,683 |  |  |  | $ | 115,710 |
2019 |  |  | 5,926 |  |  |  |  | 31,415 |
2020 |  |  | 4,393 |  |  |  |  | 18,674 |
2021 |  |  | 3,276 |  |  |  |  | 1,705 |
2022 |  |  | 2,932 |  |  |  |  | 4 |
Thereafter |  |  | 8,431 |  |  |  |  | 1 |
Schedule of Reserves | Reserves for the Site. Our reserve for all remaining claims against us relating to PCB contamination is set forth below:
|  | Year ended December 31 |
In thousands |  |  | 2017 |  |  |  |  | 2016 |
Balance at January 1, |  | $ | 52,788 |  |  |  | $ | 17,105 |
Payments |  |  | (9,644 | ) |  |  |  | (4,317 | )
Accruals |  |  | - |  |  |  |  | 40,000 |
Balance at December 31, |  | $ | 43,144 |  |  |  | $ | 52,788 |

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- Definition Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13283-110859 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
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