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Goodwill and other intangible assets - changes in carrying amount by reporting segment (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | $ 1,655,681
Accumulated impairment losses |  |  | (332,128)
Goodwill net | $ 1,295,852 | $ 1,323,553 |
Goodwill related to acquisitions | 3,689 | 19,725 |
Translation adjustment | (22,821) | (47,426) |
Goodwill net | 1,276,720 | 1,295,852 |
Vascular North America |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 564,177
Accumulated impairment losses |  |  | (219,527)
Goodwill net | 345,546 | 344,650 |
Goodwill related to acquisitions | 0 | 896 |
Translation adjustment | 0 | 0 |
Goodwill net | 345,546 | 345,546 |
Anesthesia North America |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 214,429
Accumulated impairment losses |  |  | (84,531)
Goodwill net | 141,122 | 129,898 |
Goodwill related to acquisitions | 0 | 12,398 |
Translation adjustment | 131 | (1,174) |
Goodwill net | 141,253 | 141,122 |
Surgical North America |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 250,912
Accumulated impairment losses |  |  | 0
Goodwill net | 250,912 | 250,912 |
Goodwill related to acquisitions | 0 | 0 |
Translation adjustment | 0 | 0 |
Goodwill net | 250,912 | 250,912 |
EMEA |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 339,029
Accumulated impairment losses |  |  | 0
Goodwill net | 306,009 | 339,029 |
Goodwill related to acquisitions | 0 | 1,142 |
Translation adjustment | (15,968) | (34,162) |
Goodwill net | 290,041 | 306,009 |
Asia |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 144,712
Accumulated impairment losses |  |  | 0
Goodwill net | 141,067 | 144,712 |
Goodwill related to acquisitions | 0 | 4,095 |
Translation adjustment | (2,882) | (7,740) |
Goodwill net | 138,185 | 141,067 |
OEM |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 0
Accumulated impairment losses |  |  | 0
Goodwill net | 1,194 | 0 |
Goodwill related to acquisitions | 3,689 | 1,194 |
Translation adjustment | 0 | 0 |
Goodwill net | 4,883 | 1,194 |
All other |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill |  |  | 142,422
Accumulated impairment losses |  |  | $ (28,070)
Goodwill net | 110,002 | 114,352 |
Goodwill related to acquisitions | 0 | 0 |
Translation adjustment | (4,102) | (4,350) |
Goodwill net | $ 105,900 | $ 110,002 |

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