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Restructuring and other impairment charges - reconciliation of changes in accrued liabilities associated with restructuring program (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
2016 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | $ 8,895 | $ 0
Subsequent accruals | 2,097 | 12,510
Cash payments | (3,314) | (3,784)
Foreign currency translation | (13) | 169
Balance, ending | 7,665 | 8,895
2014 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 5,370 | 7,447
Subsequent accruals | 755 | 119
Cash payments | (2,199) | (2,196)
Balance, ending | 3,926 | 5,370
Termination benefits | 2016 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 8,135 | 0
Subsequent accruals | 1,314 | 11,176
Cash payments | (2,096) | (3,220)
Foreign currency translation | (57) | 179
Balance, ending | 7,296 | 8,135
Termination benefits | 2014 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 5,370 | 7,447
Subsequent accruals | 687 | 81
Cash payments | (2,131) | (2,158)
Balance, ending | 3,926 | 5,370
Facility closure and other exit costs | 2016 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 0 | 0
Subsequent accruals | 420 | 468
Cash payments | (420) | (469)
Foreign currency translation | 0 | 1
Balance, ending | 0 | 0
Facility closure and other exit costs | 2014 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 0 | 0
Subsequent accruals | 68 | 38
Cash payments | (68) | (38)
Balance, ending | 0 | 0
Contract termination costs | 2016 Manufacturing footprint realignment plan |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 760 | 0
Subsequent accruals | 363 | 866
Cash payments | (798) | (95)
Foreign currency translation | 44 | (11)
Balance, ending | $ 369 | $ 760

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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