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Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Sep. 30, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 390,865 | $ 405,301 | $ 406,413 | $ 402,218 | $ 412,852 | $ 410,803 | $ 417,469 | $ 419,960 | $ 1,604,797 | $ 1,661,084 | $ 1,802,415
Energy and related sales, net |  |  |  |  |  |  |  |  | 6,141 | 5,664 | 7,927
Total revenues |  |  |  |  |  |  |  |  | 1,610,938 | 1,666,748 | 1,810,342
Costs of products sold |  |  |  |  |  |  |  |  | 1,392,335 | 1,463,783 | 1,575,188
Gross profit | $ 56,867 | $ 61,170 | $ 42,723 | $ 57,843 | $ 58,116 | $ 32,833 | $ 52,108 | $ 59,908 | 218,603 | 202,965 | 235,154
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 190,694 | 127,706 | 133,235
Losses (gains) on dispositions of plant, equipment and timberlands, net |  |  |  |  |  |  |  |  | 216 | (21,113) | (4,861)
Operating income |  |  |  |  |  |  |  |  | 27,693 | 96,372 | 106,780
Other non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | (15,822) | (17,464) | (18,921)
Interest income |  |  |  |  |  |  |  |  | 206 | 283 | 159
Other, net |  |  |  |  |  |  |  |  | (1,271) | (615) | (635)
Total non-operating expense |  |  |  |  |  |  |  |  | (16,887) | (17,796) | (19,397)
Income before income taxes |  |  |  |  |  |  |  |  | 10,806 | 78,576 | 87,383
Income tax provision (benefit) |  |  |  |  |  |  |  |  | (10,748) | 14,001 | 18,137
Net income |  |  |  |  |  |  |  |  | 21,554 | 64,575 | 69,246
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (14,120) | (35,616) | (79,513)
Comprehensive income (loss) |  |  |  |  |  |  |  |  | 7,434 | 28,959 | (10,267)
Adjustments/ Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | (69,645) | (78,026) | (75,917)
Total revenues |  |  |  |  |  |  |  |  | (69,645) | (78,026) | (75,917)
Costs of products sold |  |  |  |  |  |  |  |  | (69,645) | (78,026) | (75,917)
Other non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | 4,715 | 37,542 | 102,755
Interest income |  |  |  |  |  |  |  |  | (4,715) | (37,543) | (102,756)
Equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | (119,354) | (86,683) | (33,325)
Total non-operating expense |  |  |  |  |  |  |  |  | (119,354) | (86,684) | (33,326)
Income before income taxes |  |  |  |  |  |  |  |  | (119,354) | (86,684) | (33,326)
Net income |  |  |  |  |  |  |  |  | (119,354) | (86,684) | (33,326)
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 51,092 | 11,330 | 11,864
Comprehensive income (loss) |  |  |  |  |  |  |  |  | (68,262) | (75,354) | (21,462)
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 843,582 | 875,026 | 902,892
Energy and related sales, net |  |  |  |  |  |  |  |  | 6,141 | 5,664 | 7,927
Total revenues |  |  |  |  |  |  |  |  | 849,723 | 880,690 | 910,819
Costs of products sold |  |  |  |  |  |  |  |  | 763,109 | 811,329 | 830,710
Gross profit |  |  |  |  |  |  |  |  | 86,614 | 69,361 | 80,109
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 133,387 | 71,751 | 67,086
Losses (gains) on dispositions of plant, equipment and timberlands, net |  |  |  |  |  |  |  |  | 177 | (19,720) | (3,545)
Operating income |  |  |  |  |  |  |  |  | (46,950) | 17,330 | 16,568
Other non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | (17,436) | (18,147) | (19,105)
Interest income |  |  |  |  |  |  |  |  | 687 | 673 | 638
Equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 61,007 | 61,946 | 67,590
Other, net |  |  |  |  |  |  |  |  | (2,312) | (3,389) | (1,366)
Total non-operating expense |  |  |  |  |  |  |  |  | 41,946 | 41,083 | 47,757
Income before income taxes |  |  |  |  |  |  |  |  | (5,004) | 58,413 | 64,325
Income tax provision (benefit) |  |  |  |  |  |  |  |  | (26,558) | (6,162) | (4,921)
Net income |  |  |  |  |  |  |  |  | 21,554 | 64,575 | 69,246
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (14,120) | (35,616) | (79,513)
Comprehensive income (loss) |  |  |  |  |  |  |  |  | 7,434 | 28,959 | (10,267)
Guarantors [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 75,000 | 84,704 | 78,077
Total revenues |  |  |  |  |  |  |  |  | 75,000 | 84,704 | 78,077
Costs of products sold |  |  |  |  |  |  |  |  | 70,991 | 80,455 | 74,414
Gross profit |  |  |  |  |  |  |  |  | 4,009 | 4,249 | 3,663
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | (156) | 821 | 1,765
Losses (gains) on dispositions of plant, equipment and timberlands, net |  |  |  |  |  |  |  |  |  | (1,183) | (1,316)
Operating income |  |  |  |  |  |  |  |  | 4,165 | 4,611 | 3,214
Other non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | (41) |  |
Interest income |  |  |  |  |  |  |  |  | 4,177 | 37,127 | 102,241
Equity in earnings of subsidiaries |  |  |  |  |  |  |  |  | 58,347 | 24,737 | (34,265)
Other, net |  |  |  |  |  |  |  |  | (3,966) | (1,471) | 317
Total non-operating expense |  |  |  |  |  |  |  |  | 58,517 | 60,393 | 68,293
Income before income taxes |  |  |  |  |  |  |  |  | 62,682 | 65,004 | 71,507
Income tax provision (benefit) |  |  |  |  |  |  |  |  | 1,675 | 2,922 | 3,916
Net income |  |  |  |  |  |  |  |  | 61,007 | 62,082 | 67,591
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (25,916) | (41,010) | (40,704)
Comprehensive income (loss) |  |  |  |  |  |  |  |  | 35,091 | 21,072 | 26,887
Non Guarantors [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 755,860 | 779,380 | 897,363
Total revenues |  |  |  |  |  |  |  |  | 755,860 | 779,380 | 897,363
Costs of products sold |  |  |  |  |  |  |  |  | 627,880 | 650,025 | 745,981
Gross profit |  |  |  |  |  |  |  |  | 127,980 | 129,355 | 151,382
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 57,463 | 55,134 | 64,384
Losses (gains) on dispositions of plant, equipment and timberlands, net |  |  |  |  |  |  |  |  | 39 | (210) |
Operating income |  |  |  |  |  |  |  |  | 70,478 | 74,431 | 86,998
Other non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  | (3,060) | (36,859) | (102,571)
Interest income |  |  |  |  |  |  |  |  | 57 | 26 | 36
Other, net |  |  |  |  |  |  |  |  | 5,007 | 4,245 | 414
Total non-operating expense |  |  |  |  |  |  |  |  | 2,004 | (32,588) | (102,121)
Income before income taxes |  |  |  |  |  |  |  |  | 72,482 | 41,843 | (15,123)
Income tax provision (benefit) |  |  |  |  |  |  |  |  | 14,135 | 17,241 | 19,142
Net income |  |  |  |  |  |  |  |  | 58,347 | 24,602 | (34,265)
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (25,176) | 29,680 | 28,840
Comprehensive income (loss) |  |  |  |  |  |  |  |  | $ 33,171 | $ 54,282 | $ (5,425)

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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- Definition Subsidiary earnings portion attributable to temporary equity. + References No definition available. + Details
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