Restructuring and Lease Charges, Net (Schedule of Initial Charges) (Details) $ in Thousands	3 Months Ended						6 Months Ended
	Jul. 03, 2022 USD ($) employees	Apr. 03, 2022 USD ($) employees	Jan. 02, 2022 USD ($) employees	Oct. 03, 2021 USD ($) employees	Jul. 04, 2021 USD ($) employees	Apr. 04, 2021 USD ($) employees	Jul. 03, 2022 USD ($)
Q2 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees	243
Restructuring and contract termination charges, net	$ 9,388
Q1 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees		81
Restructuring and contract termination charges, net		$ 6,231
Q4 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees			31
Restructuring and contract termination charges, net			$ 3,366
Q3 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees				39
Restructuring and contract termination charges, net				$ 786
Q2 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees					25
Restructuring and contract termination charges, net					$ 1,532
Q1 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employees						77
Restructuring and contract termination charges, net						$ 5,556
Diagnostics [Member] | Employee Severance [Member] | Q2 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	2,052
Diagnostics [Member] | Employee Severance [Member] | Q1 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		399
Diagnostics [Member] | Employee Severance [Member] | Q4 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			77
Diagnostics [Member] | Employee Severance [Member] | Q3 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				366
Diagnostics [Member] | Employee Severance [Member] | Q2 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					564
Diagnostics [Member] | Employee Severance [Member] | Q1 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						1,615
Diagnostics [Member] | Facility Closing [Member] | Q2 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	0
Diagnostics [Member] | Facility Closing [Member] | Q1 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		0
Diagnostics [Member] | Facility Closing [Member] | Q4 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			0
Diagnostics [Member] | Facility Closing [Member] | Q3 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				0
Diagnostics [Member] | Facility Closing [Member] | Q2 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					0
Diagnostics [Member] | Facility Closing [Member] | Q1 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						0
Diagnostics [Member] | Facility Relocation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net							$ 100
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q2 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	7,336
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q1 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		5,832
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q4 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			3,139
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q3 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				420
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q2 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					968
Discovery & Analytical Solutions [Member] | Employee Severance [Member] | Q1 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						3,941
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q2 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	0
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q1 2022 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net		$ 0
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q4 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net			$ 150
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q3 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net				$ 0
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q2 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net					$ 0
Discovery & Analytical Solutions [Member] | Facility Closing [Member] | Q1 2021 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net						$ 0
Discovery & Analytical Solutions [Member] | Facility Relocation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and contract termination charges, net	$ 300						$ 1,700