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Restructuring and other impairment charges - additional Information (Detail) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Apr. 02, 2017 property
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 60,120,000 | $ 14,790,000 | $ 15,871,000 |
In-process research and development impairment charge | 0 | 0 | 41,000,000 |
Asset impairment charges | 19,110,000 |  | 43,356,000 |
In Process Research and Development And Wholly Owned Properties |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
In-process research and development impairment charge |  |  | 43,400,000 |
In-process research and development |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
In-process research and development impairment charge |  |  | 41,000,000 |
Wholly Owned Properties |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
In-process research and development impairment charge |  |  | 2,400,000 |
Number of properties sold | property |  |  |  | 2
Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 57,812,000 | 13,316,000 | 13,230,000 |
Asset impairment charges | 0 |  | 0 |
2018 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Effect on future cash flows, amount | 4,100,000 |  |  |
Restructuring reserve | 48,474,000 | 0 |  |
2018 Footprint realignment plan | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 48,474,000 | 0 |  |
Restructuring charges | 53,992,000 |  |  |
2018 Footprint realignment plan | Contract termination costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 54,993,000 |  |  |
2018 Footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 102,000,000 |  |  |
2018 Footprint realignment plan | Minimum | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 40,000,000 |  |  |
2018 Footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 133,000,000 |  |  |
2018 Footprint realignment plan | Maximum | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 59,000,000 |  |  |
2016 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | 17,500,000 |  |  |
Restructuring reserve | 5,416,000 | 7,665,000 | 8,895,000 |
Restructuring charges | 2,861,000 | 2,097,000 | 12,510,000 |
2016 Footprint realignment plan | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 5,416,000 | 7,296,000 | 8,135,000 |
Restructuring charges | 2,318,000 | 1,314,000 | 11,176,000 |
2016 Footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | 21,800,000 |  |  |
Restructuring expenses | 7,100,000 | 8,300,000 | 6,400,000 |
2017 Vascular Solutions integration program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | 6,100,000 |  |  |
Restructuring reserve | 300,000 |  |  |
Restructuring charges |  | 5,495,000 |  |
2017 Vascular Solutions integration program | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  | 5,377,000 |  |
2017 EMEA restructuring program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | 5,900,000 |  |  |
Restructuring reserve | 800,000 |  |  |
Restructuring charges |  | 5,201,000 |  |
2017 EMEA restructuring program | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  | 4,921,000 |  |
Other 2016 restructuring programs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | 3,214,000 |
Other 2016 restructuring programs | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | 2,531,000 |
2014 Manufacturing footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | 12,600,000 |  |  |
Restructuring reserve | 3,936,000 | 3,926,000 | 5,370,000 |
Accelerated depreciation | 29,100,000 |  |  |
2014 Manufacturing footprint realignment plan | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 3,936,000 | 3,926,000 | 5,370,000 |
2014 Manufacturing footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 2,200,000 | $ 4,000,000 | $ 8,500,000 |
2014 Manufacturing footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 47,000,000 |  |  |
Restructuring costs expected cash payment | 38,000,000 |  |  |
Restrcturing costs, expected capital expenditures | 24,000,000 |  |  |
2014 Manufacturing footprint realignment plan | Minimum | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 34,000,000 |  |  |
2014 Manufacturing footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 52,000,000 |  |  |
Restructuring costs expected cash payment | 43,000,000 |  |  |
Restrcturing costs, expected capital expenditures | 30,000,000 |  |  |
2014 Manufacturing footprint realignment plan | Maximum | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 37,000,000 |  |  |
2016 Footprint realignment plan [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring, costs incurred to date | $ 4,200,000 |  |  |

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