Restructuring and impairment charges - Charges recognized (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jul. 02, 2023	Jun. 30, 2024	Jul. 02, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,855	$ 1,508	$ 8,404	$ 3,729
Asset impairment charges			2,110	0
Restructuring and impairment charges			10,514
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	7,813	1,184	8,289	3,131
Asset impairment charges			0
Restructuring and impairment charges			8,289
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	42	324	115	598
Asset impairment charges			2,110
Restructuring and impairment charges			2,225
2024 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8,572		8,572
2024 Footprint realignment plan | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8,572		8,572
2024 Footprint realignment plan | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0		0
2023 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(938)		(736)
2023 Restructuring plan | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(974)		(818)
2023 Restructuring plan | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	36		82
2023 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	589		746
2023 Footprint realignment plan | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	588		743
2023 Footprint realignment plan | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1		3
Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(368)	259	(178)	134
Other restructuring programs | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(373)	73	(208)	(241)
Other restructuring programs | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5	186	$ 30	375
2022 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,122		3,328
2022 Restructuring Plan | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges		984		3,117
2022 Restructuring Plan | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		138		211
Respiratory divestiture plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges		127		267
Respiratory divestiture plan | Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges		127		255
Respiratory divestiture plan | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 0		$ 12