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Restructuring charges and impairment charges - Charges Recognized (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2018 | Jul. 02, 2017 | Jul. 01, 2018 | Jul. 02, 2017
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 53,488 | $ 870 | $ 56,551 | $ 13,815
Long-lived asset impairment charge | 1,865 |  | 1,865 |
Restructuring and impairment charges | 55,353 | 870 | 58,416 | 13,815
Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 52,919 | 612 | 55,576 | 13,361
Long-lived asset impairment charge | 0 |  | 0 |
Restructuring and impairment charges | 52,919 |  | 55,576 |
Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 569 | $ 258 | 975 | 454
Long-lived asset impairment charge | 1,865 |  | 1,865 |
Restructuring and impairment charges | 2,434 |  | 2,840 |
2018 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 52,474 |  | 52,474 |
2018 Footprint realignment plan | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 52,345 |  | 52,345 |
2018 Footprint realignment plan | Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 129 |  | 129 |
Other restructuring programs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 1,014 |  | 1,587 | 1,491
Other restructuring programs | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 574 |  | 1,032 | 1,147
Other restructuring programs | Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 440 |  | 555 | 344
2016 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | 2,490 | 901
2016 Footprint realignment plan | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | 2,199 | 825
2016 Footprint realignment plan | Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  | $ 291 | 76
Vascular Solutions integration program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | 4,887
Vascular Solutions integration program | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | 4,853
Vascular Solutions integration program | Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | 34
2017 EMEA restructuring program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | 6,536
2017 EMEA restructuring program | Termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | 6,536
2017 EMEA restructuring program | Other Restructuring costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | $ 0

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