Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 684,049	$ 670,739	$ 2,025,654	$ 2,054,670
Contract with Customer, Liability, Current	(20,021)		(20,021)		$ (22,504)
Contract with Customer, Asset, Net, Current	50,561		50,561		52,648
Contract with Customer, Asset and Liability [Abstract]
Contract with Customer, Asset, Net, Current	50,561		50,561		52,648
Contract with Customer, Liability, Current	(20,021)		(20,021)		$ (22,504)
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	302,325	293,595	904,462	914,450
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	182,038	178,058	545,188	554,572
Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	199,686	199,086	576,004	585,648
Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	383,128	362,884	1,107,849	1,082,021
Diagnostics [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	139,254	133,679	416,650	405,885
Diagnostics [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	114,330	105,420	340,477	326,942
Diagnostics [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	129,544	123,785	350,722	349,194
Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	300,921	307,855	917,805	972,649
Life Sciences [Member] | Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	163,071	159,916	487,812	508,565
Life Sciences [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	67,708	72,638	204,711	227,630
Life Sciences [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	70,142	75,301	225,282	236,454
Life Sciences reagents [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	178,779	171,924	532,856	554,010
Life Sciences reagents [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Life Sciences reagents [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	178,779	171,924	532,856	554,010
Life Sciences instruments [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	78,797	89,658	245,959	285,933
Life Sciences instruments [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Life Sciences instruments [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	78,797	89,658	245,959	285,933
Life Sciences software [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	43,345	46,273	138,990	132,706
Life Sciences software [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Life Sciences software [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	43,345	46,273	138,990	132,706
Reproductive health [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	132,743	123,169	385,793	373,911
Reproductive health [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	132,743	123,169	385,793	373,911
Reproductive health [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Applied genomics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	52,691	53,434	151,425	175,941
Applied genomics [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	52,691	53,434	151,425	175,941
Applied genomics [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Immunodiagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	197,694	186,281	570,631	532,169
Immunodiagnostics [Member] | Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	197,694	186,281	570,631	532,169
Immunodiagnostics [Member] | Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 0	$ 0	$ 0	$ 0