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Revenues - Disaggregation of Revenue (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 USD ($) item segment | Mar. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items] |  |
Number of operating segments | segment | 2 |
Net sales | $ 243,525 | $ 238,349
United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 141,056 | 138,060
International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 102,469 | 100,289
Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Number of product categories | item | 4 |
Net sales | $ 235,544 | 230,480
Cardiovascular | Peripheral Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 87,075 | 84,633
Cardiovascular | Cardiac Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 72,591 | 72,540
Cardiovascular | Custom Procedural Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 47,621 | 45,861
Cardiovascular | OEM |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 28,257 | 27,446
Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 133,478 | 130,492
Cardiovascular | United States | Peripheral Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 55,803 | 55,600
Cardiovascular | United States | Cardiac Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 28,595 | 27,016
Cardiovascular | United States | Custom Procedural Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 25,414 | 23,815
Cardiovascular | United States | OEM |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 23,666 | 24,061
Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 102,066 | 99,988
Cardiovascular | International | Peripheral Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 31,272 | 29,033
Cardiovascular | International | Cardiac Intervention |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 43,996 | 45,524
Cardiovascular | International | Custom Procedural Solutions |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 22,207 | 22,046
Cardiovascular | International | OEM |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 4,591 | 3,385
Endoscopy |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,981 | 7,869
Endoscopy | Endoscopy Devices |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,981 | 7,869
Endoscopy | United States | Endoscopy Devices |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,578 | 7,568
Endoscopy | International | Endoscopy Devices |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 403 | $ 301

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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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