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Condensed consolidating financial statements (Condensed consolidating statements of income and comprehensive income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Change in foreign currency translation, tax | $ 0 | $ 0
Condensed Statements of Income and Comprehensive Income [Line Items] |  |
Net sales | 159,441 | 348,096
Cost of sales | 124,884 | 238,970
Gross profit | 34,557 | 109,126
Operating expenses |  |
Selling, general and administrative expenses | 60,013 | 73,560
Transaction expenses | 166 | 217
Loss (gain) on sale of assets and other | (32) | (312)
Loss (gain) on sale of assets and other |  | (312)
Total operating expenses | 60,147 | 73,465
Earnings from equity investment | 577 | 4,571
Equity earnings from affiliate, net of tax | 0 | 0
Operating income (loss) | (25,013) | 40,232
Other expense (income) |  |
Interest expense | 7,133 | 7,627
Deferred financing costs written off | 2,588 | 0
Foreign exchange (gains) losses and other, net | (1,380) | (6,656)
Total other expense | 8,341 | 971
Income (loss) before income taxes | (33,354) | 39,261
Provision (benefit) for income tax expense | (10,406) | 10,605
Net income (loss) | (22,948) | 28,656
Less: Income (loss) attributable to noncontrolling interest | (5) | (16)
Net income (loss) attributable to common stockholders | (22,943) | 28,672
Other comprehensive income (loss), net of tax: |  |
Net income (loss) | (22,948) | 28,656
Change in foreign currency translation, net of tax of $0 | 3,472 | (37,297)
Gain (loss) on pension liability | (43) | 99
Comprehensive income (loss) | (19,519) | (8,542)
Less: comprehensive loss (income) attributable to noncontrolling interests | (93) | 43
Comprehensive income (loss) attributable to common stockholders | (19,612) | (8,499)
Reportable Legal Entities | FET Inc. (Parent) |  |
Condensed Statements of Income and Comprehensive Income [Line Items] |  |
Net sales | 0 | 0
Cost of sales | 0 | 0
Gross profit | 0 | 0
Operating expenses |  |
Selling, general and administrative expenses | 0 | 0
Transaction expenses | 0 | 0
Loss (gain) on sale of assets and other | 0 |
Loss (gain) on sale of assets and other |  | 0
Total operating expenses | 0 | 0
Earnings from equity investment | 0 | 0
Equity earnings from affiliate, net of tax | (16,614) | 33,604
Operating income (loss) | (16,614) | 33,604
Other expense (income) |  |
Interest expense | 7,148 | 7,588
Deferred financing costs written off | 2,588 |
Foreign exchange (gains) losses and other, net | 0 | 0
Total other expense | 9,736 | 7,588
Income (loss) before income taxes | (26,350) | 26,016
Provision (benefit) for income tax expense | (3,407) | (2,656)
Net income (loss) | (22,943) | 28,672
Less: Income (loss) attributable to noncontrolling interest | 0 | 0
Net income (loss) attributable to common stockholders | (22,943) | 28,672
Other comprehensive income (loss), net of tax: |  |
Net income (loss) | (22,943) | 28,672
Change in foreign currency translation, net of tax of $0 | 3,472 | (37,297)
Gain (loss) on pension liability | (43) | 99
Comprehensive income (loss) | (19,514) | (8,526)
Less: comprehensive loss (income) attributable to noncontrolling interests | 0 | 0
Comprehensive income (loss) attributable to common stockholders | (19,514) | (8,526)
Reportable Legal Entities | Guarantor Subsidiaries |  |
Condensed Statements of Income and Comprehensive Income [Line Items] |  |
Net sales | 117,314 | 269,198
Cost of sales | 92,614 | 188,767
Gross profit | 24,700 | 80,431
Operating expenses |  |
Selling, general and administrative expenses | 47,664 | 57,372
Transaction expenses | 166 | 217
Loss (gain) on sale of assets and other | (36) |
Loss (gain) on sale of assets and other |  | (111)
Total operating expenses | 47,794 | 57,478
Earnings from equity investment | 577 | 4,571
Equity earnings from affiliate, net of tax | (1,089) | 16,237
Operating income (loss) | (23,606) | 43,761
Other expense (income) |  |
Interest expense | (13) | 14
Deferred financing costs written off | 0 |
Foreign exchange (gains) losses and other, net | (82) | (185)
Total other expense | (95) | (171)
Income (loss) before income taxes | (23,511) | 43,932
Provision (benefit) for income tax expense | (6,897) | 10,328
Net income (loss) | (16,614) | 33,604
Less: Income (loss) attributable to noncontrolling interest | 0 | 0
Net income (loss) attributable to common stockholders | (16,614) | 33,604
Other comprehensive income (loss), net of tax: |  |
Net income (loss) | (16,614) | 33,604
Change in foreign currency translation, net of tax of $0 | 3,472 | (37,297)
Gain (loss) on pension liability | (43) | 99
Comprehensive income (loss) | (13,185) | (3,594)
Less: comprehensive loss (income) attributable to noncontrolling interests | 0 | 0
Comprehensive income (loss) attributable to common stockholders | (13,185) | (3,594)
Reportable Legal Entities | Non-Guarantor Subsidiaries |  |
Condensed Statements of Income and Comprehensive Income [Line Items] |  |
Net sales | 55,634 | 120,317
Cost of sales | 45,132 | 89,676
Gross profit | 10,502 | 30,641
Operating expenses |  |
Selling, general and administrative expenses | 12,349 | 16,188
Transaction expenses | 0 | 0
Loss (gain) on sale of assets and other | 4 |
Loss (gain) on sale of assets and other |  | (201)
Total operating expenses | 12,353 | 15,987
Earnings from equity investment | 0 | 0
Equity earnings from affiliate, net of tax | 0 | 0
Operating income (loss) | (1,851) | 14,654
Other expense (income) |  |
Interest expense | (2) | 25
Deferred financing costs written off | 0 |
Foreign exchange (gains) losses and other, net | (1,298) | (6,471)
Total other expense | (1,300) | (6,446)
Income (loss) before income taxes | (551) | 21,100
Provision (benefit) for income tax expense | (102) | 2,933
Net income (loss) | (449) | 18,167
Less: Income (loss) attributable to noncontrolling interest | (5) | (16)
Net income (loss) attributable to common stockholders | (444) | 18,183
Other comprehensive income (loss), net of tax: |  |
Net income (loss) | (449) | 18,167
Change in foreign currency translation, net of tax of $0 | 3,472 | (37,297)
Gain (loss) on pension liability | (43) | 99
Comprehensive income (loss) | 2,980 | (19,031)
Less: comprehensive loss (income) attributable to noncontrolling interests | (93) | 43
Comprehensive income (loss) attributable to common stockholders | 2,887 | (18,988)
Eliminations |  |
Condensed Statements of Income and Comprehensive Income [Line Items] |  |
Net sales | (13,507) | (41,419)
Cost of sales | (12,862) | (39,473)
Gross profit | (645) | (1,946)
Operating expenses |  |
Selling, general and administrative expenses | 0 | 0
Transaction expenses | 0 | 0
Loss (gain) on sale of assets and other | 0 |
Loss (gain) on sale of assets and other |  | 0
Total operating expenses | 0 | 0
Earnings from equity investment | 0 | 0
Equity earnings from affiliate, net of tax | 17,703 | (49,841)
Operating income (loss) | 17,058 | (51,787)
Other expense (income) |  |
Interest expense | 0 | 0
Deferred financing costs written off | 0 |
Foreign exchange (gains) losses and other, net | 0 | 0
Total other expense | 0 | 0
Income (loss) before income taxes | 17,058 | (51,787)
Provision (benefit) for income tax expense | 0 | 0
Net income (loss) | 17,058 | (51,787)
Less: Income (loss) attributable to noncontrolling interest | 0 | 0
Net income (loss) attributable to common stockholders | 17,058 | (51,787)
Other comprehensive income (loss), net of tax: |  |
Net income (loss) | 17,058 | (51,787)
Change in foreign currency translation, net of tax of $0 | (6,944) | 74,594
Gain (loss) on pension liability | 86 | (198)
Comprehensive income (loss) | $ 10,200 | 22,609
Less: comprehensive loss (income) attributable to noncontrolling interests |  | 0
Comprehensive income (loss) attributable to common stockholders | $ 10,200 | $ 22,609

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- Definition Amount before tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + 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 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + 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 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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