Restructuring charges, separation costs and impairment charges - Charges recognized (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 30, 2025	Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,528	$ 549
Asset impairment charges		2,110
Separation costs	3,227
Restructuring charges, separation costs and impairment charges	4,755	2,659
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,428	475
Asset impairment charges		0
Separation costs	0
Restructuring charges, separation costs and impairment charges	1,428	475
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	100	74
Asset impairment charges		2,110
Separation costs	3,227
Restructuring charges, separation costs and impairment charges	3,327	2,184
2024 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	171
2024 Restructuring plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	120
2024 Restructuring plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	51
2024 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,103
2024 Footprint realignment plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,065
2024 Footprint realignment plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	38
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	245	157
2023 Footprint realignment plan \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	243	155
2023 Footprint realignment plan \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	2
Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	9	190
Other restructuring programs \| Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	165
Other restructuring programs \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 9	$ 25

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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