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Accumulated Other Comprehensive Income - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | $ (359,826) | $ (345,477) | $ (1,052,626) | $ (1,056,209)
Selling, general and administrative | (33,399) | (35,747) | (100,484) | (104,796)
Income tax provision | (4,281) | (1,401) | (9,944) | (6,459)
Net income | 12,105 | 19,601 | 17,994 | 37,734
Reclassifications Out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Net income | 2,304 | 2,656 | 5,594 | 7,215
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs and Expenses | 3,786 | 3,967 | 11,331 | 11,903
Income tax provision | (1,362) | (1,503) | (4,075) | (4,511)
Net income | 2,424 | 2,464 | 7,256 | 7,392
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Prior Service Costs [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | 532 | 506 | 1,592 | 1,519
Selling, general and administrative | 176 | 168 | 528 | 504
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Actuarial Losses [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | 2,290 | 2,450 | 6,852 | 7,350
Selling, general and administrative | 788 | 843 | 2,359 | 2,530
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Amortization of Deferred Benefit Other Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs and Expenses | (139) | (234) | (419) | (703)
Income tax provision |  | 89 |  | 268
Net income | (139) | (145) | (419) | (435)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Amortization of Deferred Benefit Other Plans [Member] | Prior Service Costs [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | (37) | (37) | (112) | (112)
Selling, general and administrative | (8) | (8) | (24) | (24)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Amortization of Deferred Benefit Other Plans [Member] | Actuarial Losses [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | (77) | (156) | (233) | (467)
Selling, general and administrative | (17) | (33) | (50) | (100)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] | Accumulated Net (Gain) Loss from Cash Flow Hedges Attributable to Parent |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Costs of products sold | 29 | 347 | (1,687) | 264
Income tax provision | (10) | (10) | 444 | (6)
Net income | $ 19 | $ 337 | $ (1,243) | $ 258

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- Definition Total costs related to goods produced and sold during the reporting period. + 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 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Total costs of sales and operating expenses for the period. + 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) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: 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.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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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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