Goodwill and other intangible assets, net - Components of intangible assets (Details) - USD ($) $ in Thousands	Mar. 28, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 3,522,254	$ 3,534,799
Accumulated Amortization	(1,052,010)	(1,015,053)
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	28,969	29,627
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	1,373,922	1,377,943
Accumulated Amortization	(439,068)	(425,692)
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	1,456,085	1,458,924
Accumulated Amortization	(500,282)	(479,612)
Distribution rights
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	23,673	23,866
Accumulated Amortization	(20,284)	(20,280)
Trade names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	615,816	619,847
Accumulated Amortization	(69,533)	(65,955)
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	23,789	24,592
Accumulated Amortization	$ (22,843)	$ (23,514)