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Restructuring and impairment charges - Charges recognized (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 02, 2023 | Mar. 27, 2022
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 2,221 | $ 908
Asset impairment charges | 0 | 1,497
Restructuring and impairment charges | 2,221 | 2,405
Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1,947 | 726
Asset impairment charges |  | 0
Restructuring and impairment charges |  | 726
Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 274 | 182
Asset impairment charges |  | 1,497
Restructuring and impairment charges |  | 1,679
2022 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 2,206 |
2022 Restructuring Plan | Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 2,133 |
2022 Restructuring Plan | Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 73 |
Respiratory divestiture plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 140 | 120
Respiratory divestiture plan | Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 128 | 106
Respiratory divestiture plan | Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 12 | 14
2019 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | (646)
2019 Footprint realignment plan | Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | (670)
2019 Footprint realignment plan | Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 24
2018 Footprint realignment plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 220
2018 Footprint realignment plan | Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 158
2018 Footprint realignment plan | Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges |  | 62
Other restructuring programs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | (125) | 1,214
Other restructuring programs | Termination Benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | (314) | 1,132
Other restructuring programs | Other restructuring costs |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 189 | $ 82

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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 https://asc.fasb.org/extlink&oid=126954810&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 https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228 + Details
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