General and Description of the Business - Additional Information (Details)		3 Months Ended
	Feb. 05, 2021 USD ($)	Apr. 03, 2022 USD ($) $ / shares	Apr. 03, 2022 USD ($) Country $ / shares shares	Apr. 04, 2021 USD ($) shares	Jan. 02, 2022 USD ($)
General And Description Of Business [Line Items]
Percentage Of Shares Acquired			38.00%
Net proceeds from IPO				$ 1,426,400,000
Cash and cash equivalents		281,100,000	$ 281,100,000		$ 309,700,000
Accumulated deficit		(1,957,000,000.0)	(1,957,000,000.0)		$ (1,971,800,000)
Net loss			14,800,000	(39,100,000)
Cash provided by operating activities			(4,000,000.0)	(9,900,000)
Letters of credit issued		43,700,000	43,700,000
Selling, marketing and administrative expenses			129,500,000	$ 131,500,000
Integration-related expenses			$ 5,700,000
Revolving Credit Facility
General And Description Of Business [Line Items]
Maximum percentage of committed amount for first lien net leverage ratio			30.00%
Outstanding borrowings		$ 0	$ 0
2025 Notes
General And Description Of Business [Line Items]
Repayment of debt	$ 160,000,000.0
2028 Notes
General And Description Of Business [Line Items]
Repayment of debt	$ 270,000,000.0
Minimum
General And Description Of Business [Line Items]
Number of countries and territories with commercial presence | Country			130
Quidel
General And Description Of Business [Line Items]
Percentage Of Shares Acquired			62.00%
Ortho-Clinical Diagnostics S.A.
General And Description Of Business [Line Items]
Initial share capital | shares			0.1055
Series of Individually Immaterial Business Acquisitions [Member]
General And Description Of Business [Line Items]
Amount receivable on Business Combination agreement Termination by Quidel			$ 207,800,000
Series of Individually Immaterial Business Acquisitions [Member] | Quidel
General And Description Of Business [Line Items]
Termination Fee			$ 46,900,000
Common Stock
General And Description Of Business [Line Items]
Initial share capital | shares				1
Share price | $ / shares		$ 7.14	$ 7.14
Ordinary shares issued and sold | shares				87,400,000
Preferred Redeemable Shares
General And Description Of Business [Line Items]
Initial share capital | shares				50,000