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Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ 205,683 | $ 148,156 | $ 571,180 | $ 463,658
Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (567) |  | (1,798) |
United States |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 147,780 |  | 405,392 |
United States | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (567) |  | (1,798) |
Chinese |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 15,212 |  | 42,256 |
Chinese | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Mexico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,914 |  | 30,270 |
Mexico | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Brazilian |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,307 |  | 27,908 |
Brazilian | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Germany |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,753 |  | 15,662 |
Germany | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Switzerland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,467 |  | 7,777 |
Switzerland | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Poland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 3,328 |  | 5,509 |
Poland | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Italy |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,519 |  | 4,881 |
Italy | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Czech Republic |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,496 |  | 4,838 |
Czech Republic | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Netherlands |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 649 |  | 2,556 |
Netherlands | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Other Country |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,258 |  | 24,131 |
Other Country | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Mobile Solutions | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 81,805 | 81,664 | 259,678 | 254,768
Mobile Solutions | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 46,341 |  | 144,138 |
Mobile Solutions | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 11,111 |  | 34,273 |
Mobile Solutions | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 6,570 |  | 21,042 |
Mobile Solutions | Brazilian | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,200 |  | 27,722 |
Mobile Solutions | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,415 |  | 4,500 |
Mobile Solutions | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,420 |  | 3,915 |
Mobile Solutions | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,215 |  | 5,485 |
Mobile Solutions | Italy | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,514 |  | 4,424 |
Mobile Solutions | Czech Republic | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,285 |  | 4,791 |
Mobile Solutions | Netherlands | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Mobile Solutions | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 2,734 |  | 9,388 |
Power Solutions | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 46,082 | 44,824 | 144,584 | 141,982
Power Solutions | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 38,137 |  | 120,189 |
Power Solutions | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,696 |  | 4,140 |
Power Solutions | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 2,254 |  | 8,799 |
Power Solutions | Brazilian | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 107 |  | 157 |
Power Solutions | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 17 |  | 24 |
Power Solutions | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 47 |  | 35 |
Power Solutions | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 6 |  | 23 |
Power Solutions | Italy | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 5 |  | 214 |
Power Solutions | Czech Republic | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 105 |  | 47 |
Power Solutions | Netherlands | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 649 |  | 2,556 |
Power Solutions | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 3,059 |  | 8,400 |
Life Sciences | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 78,363 | $ 22,154 | 168,716 | $ 68,397
Life Sciences | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 63,869 |  | 142,863 |
Life Sciences | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 2,405 |  | 3,843 |
Life Sciences | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 90 |  | 429 |
Life Sciences | Brazilian | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 29 |
Life Sciences | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 7,321 |  | 11,138 |
Life Sciences | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 3,827 |
Life Sciences | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 2,107 |  | 1 |
Life Sciences | Italy | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 243 |
Life Sciences | Czech Republic | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 106 |  | 0 |
Life Sciences | Netherlands | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 |  | 0 |
Life Sciences | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ 2,465 |  | $ 6,343 |

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 32 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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