Restructuring and impairment charges - Charges recognized (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Apr. 02, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 549	$ 2,221
Asset impairment charges	2,110	0
Restructuring and impairment charges	2,659
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	475	1,947
Asset impairment charges	0
Restructuring and impairment charges	475
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	74	274
Asset impairment charges	2,110
Restructuring and impairment charges	2,184
2023 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	202
2023 Restructuring plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	155
2023 Restructuring plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	47
2023 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	157
2023 Footprint realignment plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	155
2023 Footprint realignment plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2
Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	190	(125)
Other restructuring programs \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	165	(314)
Other restructuring programs \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 25	189
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 costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		73
Respiratory divestiture plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		140
Respiratory divestiture plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges		128
Respiratory divestiture plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 12

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.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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