Restructuring and impairment charges - Restructuring program (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 18,802	$ 14,999	$ 17,103
Assets impairment charges	1,497	6,739	21,388
Total restructuring and impairment charges	20,299	21,738	38,491
2022 restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	15,523
Respiratory divestiture plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	578	2,694
2021 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		7,357
2019 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	(987)	253	1,542
2018 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	2,076	2,476	5,948
Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,612	2,219	766
2020 Workforce reduction plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			8,847
Termination benefits
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	17,385	11,762	14,634
Assets impairment charges	0	0	0
Total restructuring and impairment charges	17,385	11,762	14,634
Termination benefits | 2022 restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	15,465
Termination benefits | Respiratory divestiture plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	504	2,687
Termination benefits | 2021 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		7,280
Termination benefits | 2019 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	(1,120)	(111)	647
Termination benefits | 2018 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,230	2,335	5,565
Termination benefits | Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,306	(429)	(72)
Termination benefits | 2020 Workforce reduction plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			8,494
Other costs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,417	3,237	2,469
Assets impairment charges	1,497	6,739	21,388
Total restructuring and impairment charges	2,914	9,976	23,857
Other costs | 2022 restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	58
Other costs | Respiratory divestiture plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	74	7
Other costs | 2021 Restructuring plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		77
Other costs | 2019 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	133	364	895
Other costs | 2018 Footprint realignment plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	846	141	383
Other costs | Other restructuring programs
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 306	$ 2,648	838
Other costs | 2020 Workforce reduction plan
Restructuring Cost and Reserve [Line Items]
Total restructuring charges			$ 353