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Restructuring and impairment charges - Charges recognized (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 27, 2022 | Mar. 28, 2021
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 908 | $ 7,998
Asset impairment charges | 1,497 | 0
Restructuring and impairment charges | 2,405 | 7,998
Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 726 | 7,202
Asset impairment charges | 0 |
Restructuring and impairment charges | 726 |
Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 182 | 796
Asset impairment charges | 1,497 |
Restructuring and impairment charges | 1,679 |
Respiratory divestiture plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 120 |
Respiratory divestiture plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 106 |
Respiratory divestiture plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 14 |
2021 Restructuring plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 6,760
2021 Restructuring plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 6,760
2021 Restructuring plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 0
2019 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | (646) | 446
2019 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | (670) | 341
2019 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 24 | 105
2018 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 220 | 312
2018 Footprint realignment plan | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 158 | 267
2018 Footprint realignment plan | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 62 | 45
Other restructuring programs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1,214 | 480
Other restructuring programs | Termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1,132 | (166)
Other restructuring programs | Other Restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 82 | $ 646

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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