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Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ 221,666 | $ 196,349 | $ 434,922 | $ 365,497
Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (503) | (703) | (987) | (1,231)
United States |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 158,818 | 137,804 | 312,249 | 257,612
United States | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | (503) | (703) | (987) | (1,231)
Chinese |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 12,789 | 13,852 | 25,472 | 27,044
Chinese | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Mexico |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,418 | 10,751 | 17,632 | 21,356
Mexico | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Brazil |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,716 | 9,666 | 18,167 | 19,601
Brazil | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Germany |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,784 | 5,367 | 20,091 | 4,449
Germany | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Switzerland |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,687 | 3,043 | 9,328 | 3,990
Switzerland | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Poland | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  |  |  | 0
Italy |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  |  |  | 6,909
Other Country |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 16,454 | 15,866 | 31,983 | 24,536
Other Country | Intersegment Sales Eliminations |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  | 0 | 0 | 0
Mobile Solutions | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 79,444 | 88,079 | 157,519 | 177,873
Mobile Solutions | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 44,512 | 48,142 | 88,969 | 97,797
Mobile Solutions | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,318 | 11,581 | 18,471 | 23,162
Mobile Solutions | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 5,066 | 7,236 | 10,444 | 14,472
Mobile Solutions | Brazil | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 9,636 | 9,637 | 18,018 | 19,522
Mobile Solutions | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,316 | 1,551 | 2,722 | 3,085
Mobile Solutions | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,153 | 1,294 | 2,512 | 2,700
Mobile Solutions | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  |  |  | 3,971
Mobile Solutions | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,443 | 8,638 | 16,383 | 13,164
Power Solutions | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 51,393 | 49,820 | 101,050 | 98,502
Power Solutions | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 40,580 | 41,924 | 81,695 | 82,052
Power Solutions | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,598 | 959 | 3,436 | 2,444
Power Solutions | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,235 | 3,348 | 6,944 | 6,545
Power Solutions | Brazil | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 80 | 0 | 149 | 50
Power Solutions | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 21 | 0 | 37 | 7
Power Solutions | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 25 | 29 | 41 | 29
Power Solutions | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  |  |  | 18
Power Solutions | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 4,854 | 3,560 | 8,748 | 7,357
Life Sciences | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 91,332 | 59,153 | 177,340 | 90,353
Life Sciences | United States | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 74,229 | 48,441 | 142,572 | 78,994
Life Sciences | Chinese | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 1,873 | 1,312 | 3,565 | 1,438
Life Sciences | Mexico | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 117 | 167 | 244 | 339
Life Sciences | Brazil | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 0 | 29 | 0 | 29
Life Sciences | Germany | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 8,447 | 3,816 | 17,332 | 3,817
Life Sciences | Switzerland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | 3,509 | 1,720 | 6,775 | 1,720
Life Sciences | Poland | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales |  |  |  | 1
Life Sciences | Other Country | Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Net sales | $ 3,157 | $ 3,668 | $ 6,852 | $ 4,015

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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