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v3.19.1

Segment Information - Sales by Product (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |
Total sales | $ 1,593,617 | $ 1,056,177
Remanufacturing, Overhaul & Build |  |
Segment Reporting Information [Line Items] |  |
Total sales | 418,114 | 386,548
Specialty Products & Electronics |  |
Segment Reporting Information [Line Items] |  |
Total sales | 294,817 | 274,265
Transit Products |  |
Segment Reporting Information [Line Items] |  |
Total sales | 242,222 | 215,618
Brake Products |  |
Segment Reporting Information [Line Items] |  |
Total sales | 582,177 | 135,713
Other |  |
Segment Reporting Information [Line Items] |  |
Total sales | $ 56,287 | $ 44,033

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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