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Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 238,349 | $ 203,035
United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 138,060 | 110,055
International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 100,289 | 92,980
Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 230,480 | 195,855
Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 130,492 | 103,137
Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 99,988 | 92,718
Endoscopy |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,869 | 7,180
Stand-alone devices | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 95,427 | 83,246
Stand-alone devices | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 53,400 | 44,010
Stand-alone devices | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 42,027 | 39,236
Cianna Medical | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 12,849 | 0
Cianna Medical | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 12,849 | 0
Cianna Medical | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 0 | 0
Custom kits and procedure trays | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 32,943 | 33,272
Custom kits and procedure trays | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 22,055 | 22,318
Custom kits and procedure trays | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 10,888 | 10,954
Inflation devices | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 22,017 | 22,419
Inflation devices | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,972 | 7,668
Inflation devices | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 14,045 | 14,751
Catheters | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 43,039 | 33,865
Catheters | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 19,412 | 15,270
Catheters | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 23,627 | 18,595
Embolization devices | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 11,827 | 12,587
Embolization devices | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 4,706 | 5,033
Embolization devices | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,121 | 7,554
CRM/EP | Cardiovascular |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 12,378 | 10,466
CRM/EP | Cardiovascular | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 10,098 | 8,838
CRM/EP | Cardiovascular | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 2,280 | 1,628
Endoscopy devices | Endoscopy |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,869 | 7,180
Endoscopy devices | Endoscopy | United States |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 7,568 | 6,918
Endoscopy devices | Endoscopy | International |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 301 | $ 262

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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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