Summary of Significant Accounting Policies - Property, Plant and Equipment's Estimated Useful Lives (Details)	12 Months Ended
	Jan. 02, 2022
Land and leasehold improvements | Maximum
Property Plant And Equipment [Line Items]
Leasehold improvements	30 years
Building And Building Improvement | Maximum
Property Plant And Equipment [Line Items]
Leasehold improvements	55 years
Building And Building Improvement | Minimum
Property Plant And Equipment [Line Items]
Leasehold improvements	7 years
Machinery and Equipment | Maximum
Property Plant And Equipment [Line Items]
Leasehold improvements	30 years
Machinery and Equipment | Minimum
Property Plant And Equipment [Line Items]
Leasehold improvements	3 years
Customer Leased Instruments | Maximum
Property Plant And Equipment [Line Items]
Leasehold improvements	8 years
Customer Leased Instruments | Minimum
Property Plant And Equipment [Line Items]
Leasehold improvements	5 years
Computer Software | Maximum
Property Plant And Equipment [Line Items]
Leasehold improvements	8 years
Computer Software | Minimum
Property Plant And Equipment [Line Items]
Leasehold improvements	3 years