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Business And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 5 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2015 | Aug. 14, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Depreciation expense | $ 22,400 | $ 34,500 |  | $ 100,400 | $ 102,900
Capitalized bank fees |  |  |  | 9,700 |
Environmental remediation, compliance and management expenses |  |  | $ 11,100 | 17,000 | 14,600
Accrued liability relating to environmental remediation |  |  | 5,900 | 6,900 |
Total costs capitalized | 6,900 |  | 6,900 | 15,600 |
Amortization expense | 300 | 200 |  | 500 | 1,000
Deferred costs | 9,900 |  | 9,900 | 13,300 |
Amortized costs | 2,100 | 4,300 | 2,100 | 6,600 |
Capitalized Bank Fees [Member] |  |  |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Amortization of capitalized bank fees |  |  | 2,100 | 3,300 | 2,500
Other Assets [Member] |  |  |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Capitalized bank fees |  |  |  | 9,700 |
Predecessor [Member] |  |  |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Amortization of capitalized bank fees |  | 2,118 |  | 3,339 | 2,504
Predecessor [Member] | Rationalization Plan [Member] | Cost of Sales [Member] |  |  |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Accelerated depreciation |  | $ 1,372 |  | 26,037 | $ 28,326
New Accounting Pronouncement, Early Adoption, Effect [Member] |  |  |  |  |
Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Reclassification of deferred tax assets | 10,700 |  | 10,700 | 28,400 |
Reclassification of deferred tax liabilities | $ 23,300 |  | $ 23,300 | $ 7,200 |

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- Definition The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates. + 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 + Details
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