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Restructuring charges - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2017 | Jun. 26, 2016 | Jul. 02, 2017 | Jun. 26, 2016
2017 Vascular Solutions integration program | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | $ 6.0 |  | $ 6.0 |
2017 Vascular Solutions integration program | Minimum | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 4.5 |  | 4.5 |
2017 Vascular Solutions integration program | Minimum | Other Exit Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 1.5 |  | 1.5 |
2017 Vascular Solutions integration program | Minimum | Retention Bonuses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 2.5 |  | 2.5 |
2017 Vascular Solutions integration program | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 7.5 |  | 7.5 |
2017 Vascular Solutions integration program | Maximum | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 5.3 |  | 5.3 |
2017 Vascular Solutions integration program | Maximum | Other Exit Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 2.2 |  | 2.2 |
2017 Vascular Solutions integration program | Maximum | Retention Bonuses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 3.0 |  | 3.0 |
2017 EMEA restructuring program | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 7.1 |  | 7.1 |
2017 EMEA restructuring program | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 8.5 |  | 8.5 |
2016 Other Restructuring programs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs expected cash payment | 1.0 |  | 1.0 |
Restructuring reserve | 1.2 |  | 1.2 |
2016 Other Restructuring programs | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 1.5 |  | 1.5 |
2016 Other Restructuring programs | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 3.8 |  | 3.8 |
2016 Other Restructuring programs | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 4.7 |  | 4.7 |
2016 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 8.7 |  | 8.7 |
Aggregate restructuring charges incurred | 13.4 |  | 13.4 |
2016 Footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expenses | 2.0 | $ 1.8 | 4.1 | $ 2.4
Aggregate restructuring charges incurred | 10.5 |  | 10.5 |
2016 Footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 34.0 |  | 34.0 |
Restructuring costs expected cash payment | 27.0 |  | 27.0 |
2016 Footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 44.0 |  | 44.0 |
Restructuring costs expected cash payment | 31.0 |  | 31.0 |
2014 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve | 4.5 |  | 4.5 |
Restructuring expenses |  |  | 25.0 |
Aggregate restructuring charges incurred | 11.3 |  | 11.3 |
2014 Footprint realignment plan | Accelerated Depreciation And Other Costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expenses | 0.5 | $ 2.3 | 2.1 | $ 4.4
2014 Footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 43.0 |  | 43.0 |
Restructuring costs expected cash payment | 33.0 |  | 33.0 |
Expected capital expenditures | 24.0 |  | 24.0 |
2014 Footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 48.0 |  | 48.0 |
Restructuring costs expected cash payment | 38.0 |  | 38.0 |
Expected capital expenditures | $ 30.0 |  | $ 30.0 |

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