Discontinued Operations and Other (Details) (USD $) | 3 Months Ended | 9 Months Ended | | 3 Months Ended | 9 Months Ended | | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | | | 9 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended | | 9 Months Ended |
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Jun. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Aug. 31, 2014 | Jun. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2013 |
Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Operations Discontinued [Member] | Sale of Specialty Paper Business [Member] | Sale of Specialty Paper Business [Member] | Sale of Specialty Paper Business [Member] | Sale of Specialty Paper Business [Member] | Sale of Specialty Paper Business [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] | Closure of Brainerd Paper Mill [Member] |
| | | | | Impairment of Long Lived Assets [Member] | Accelerated Depreciation on Long Lived Assets [Member] | Inventory and Spare Parts Write Downs [Member] | Employee Severance [Member] | Employee Severance [Member] | Employee Severance [Member] | Employee Severance [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Contract Termination [Member] | Contract Termination [Member] | Contract Termination [Member] | Other Charges [Member] | | | | | | | | | | | | Accelerated Depreciation on Long Lived Assets [Member] | Inventory and Spare Parts Write Downs [Member] | Other Restructuring [Member] |
Restructuring and Discontinued Operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Discontinued operations assets | $48,000 | ' | $48,000 | ' | $8,587,000 | $100,000 | ' | $100,000 | ' | $6,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $1,900,000 | ' | $1,900,000 | $1,900,000 | ' | ' | ' |
Accrued and other liabilities that are classified as discontinued operations | 1,918,000 | ' | 1,918,000 | ' | 1,894,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 900,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Other noncurrent liabilities that are classified as discontinued operations | 866,000 | ' | 866,000 | ' | 989,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 8,600,000 | 1,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Certain condensed consolidated statements of operations information for discontinued operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net sales | 49,000 | 1,644,000 | 428,000 | 209,756,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Earnings (Loss) from discontinued operations before income taxes | -673,000 | -1,527,000 | -1,871,000 | -107,971,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Provision (credit) for income taxes | -352,000 | -709,000 | -989,000 | -41,049,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
(Loss) earnings from discontinued operations, net of taxes | -321,000 | -818,000 | -882,000 | -66,922,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net (loss) earnings per share - basic and diluted (in dollars per share) | ($0.01) | ($0.02) | ($0.02) | ($1.35) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Restructuring activities related to discontinued operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net pre-tax charges or credits recognized related to restructuring activities | ' | ' | ' | ' | ' | 909,000 | 1,828,000 | 1,744,000 | 114,840,000 | ' | 63,712,000 | 35,716,000 | 6,712,000 | 37,000 | 749,000 | 208,000 | 3,127,000 | 872,000 | 1,079,000 | 1,536,000 | 5,573,000 | ' | ' | ' | ' | 600,000 | 1,400,000 | ' | 1,300,000 | 5,700,000 | ' | ' | ' | ' | ' | ' | 35,700,000 | 6,700,000 | 3,000,000 |
Liabilities for restructuring expenses | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Balance at the beginning of the period | ' | ' | ' | ' | ' | ' | ' | 3,368,000 | ' | ' | ' | ' | ' | ' | ' | 434,000 | ' | ' | ' | ' | ' | 2,901,000 | ' | ' | 33,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Reserve/ Provisions | ' | ' | ' | ' | ' | ' | ' | 1,749,000 | ' | ' | ' | ' | ' | ' | ' | 208,000 | ' | ' | ' | ' | ' | 85,000 | ' | ' | 1,456,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Payments/ Usage | ' | ' | ' | ' | ' | ' | ' | -2,797,000 | ' | ' | ' | ' | ' | ' | ' | -640,000 | ' | ' | ' | ' | ' | -665,000 | ' | ' | -1,492,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Balance at the end of the period | ' | ' | ' | ' | ' | 2,320,000 | ' | 2,320,000 | ' | ' | ' | ' | ' | 2,000 | ' | 2,000 | ' | ' | ' | ' | ' | 2,321,000 | ' | ' | -3,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Assets of discontinued operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7,000,000 | ' | 7,000,000 | ' | ' | ' | ' |
Proceeds from sale and disposal of long-lived assets | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4,400,000 | 2,600,000 | ' | ' | ' | ' | ' | ' | ' |
Assets write down held for sale | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 200,000 | ' | ' | ' | ' |
Pre-tax gain on sale and disposal of discontinued operations | 300,000 | ' | 500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 400,000 | ' | ' | ' | ' | ' |
Gain (loss) recognized on sale of asset | ' | ' | 227,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 500,000 | ' | ' | ' | ' | ' | ' |
Impairment charges | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 63,700,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount of credit generated related to pension and other postretirement plan settlements, curtailments, and special termination benefits | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 5,900,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Amount of provision recognized | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | ' | ' | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Assets and liabilities of the discontinued operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Assets of discontinued operations | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $7,000,000 | ' | $7,000,000 | ' | ' | ' | ' |