General and Description of the Business - Additional Information (Details) $ / shares in Units, $ in Millions				1 Months Ended		12 Months Ended
	Feb. 05, 2021 USD ($)	Feb. 05, 2021 USD ($)	Jan. 25, 2021	Sep. 30, 2021 shares	Jan. 31, 2021 USD ($) $ / shares shares	Jan. 02, 2022 USD ($) Country $ / shares shares	Jan. 03, 2021 USD ($) $ / shares	Dec. 29, 2019 USD ($) $ / shares	Sep. 30, 2022
General And Description Of Business [Line Items]
Percentage Of Shares Acquired						38.00%
Proceeds from Issuance Initial Public Offering						$ 1,426.4	$ 0.0	$ 0.0
Selling, marketing and administrative expenses						555.0	489.6	515.1
Cash and cash equivalents						309.7	132.8	72.0
Accumulated deficit						(1,971.8)	(1,917.5)
Net loss						(54.3)	(211.9)	(156.9)
Net Cash Provided by (Used in) Operating Activities						286.6	$ 46.1	$ 143.0
Long-term Line of Credit						46.3
Letters of Credit Outstanding, Amount						$ 46.3
Revolving Credit Facility
General And Description Of Business [Line Items]
Maximum Percentage Of Committed Amount For First Lien Net Leverage Ratio						30.00%
Long-term Line of Credit						$ 0.0
Revolving Credit Facility | Forecast
General And Description Of Business [Line Items]
Basis Point Step Downs Of First Lien Net Leverage Ratio									0.50
Dollar Term Loan Facility
General And Description Of Business [Line Items]
Repayments of Senior Debt						892.7
2025 Notes
General And Description Of Business [Line Items]
Repayments of Debt		$ 160.0				160.0
Redemption premium						11.8
2028 Notes
General And Description Of Business [Line Items]
Repayments of Debt	$ 270.0					270.0
Redemption premium	$ 19.6					19.6
Secondary Public Offering
General And Description Of Business [Line Items]
Selling, marketing and administrative expenses						1.1
Business Acquisitions [Member]
General And Description Of Business [Line Items]
Amount receivable on Business Combination agreement Termination by Quidel						$ 207.8
Minimum
General And Description Of Business [Line Items]
Number of countries and territories with commercial presence | Country						130
Share Price | $ / shares						$ 19.06	$ 12.56	$ 11.92
Maximum
General And Description Of Business [Line Items]
Share Price | $ / shares						$ 19.97	$ 14.13	$ 12.55
Maximum | Revolving Credit Facility
General And Description Of Business [Line Items]
First Lien Net Leverage Ratio						5.5
Quidel
General And Description Of Business [Line Items]
Percentage Of Shares Acquired						62.00%
Quidel | Business Acquisitions [Member]
General And Description Of Business [Line Items]
Termination Fee						$ 46.9
Ortho-Clinical Diagnostics Holdings Luxembourg S.à r.l | UK Holdco
General And Description Of Business [Line Items]
Ownership interest						100.00%
Ortho-Clinical Diagnostics S.A.
General And Description Of Business [Line Items]
Stock Issued During Period Shares Other | shares						0.1055
Issuance of incorporation shares consisting of ordinary shares and preferred redeemable shares, shares | shares						0.1055
Ortho-Clinical Diagnostics S.A. | UK Holdco
General And Description Of Business [Line Items]
Ownership interest						100.00%
Ordinary Shares
General And Description Of Business [Line Items]
Stock Issued During Period Shares Other | shares						1
Common Stock, Conversion Basis			1-for-1
Shares, Issued | shares						87,400,000
Proceeds from Issuance Initial Public Offering					$ 1,426.4
Issuance of incorporation shares consisting of ordinary shares and preferred redeemable shares, shares | shares						1
Ordinary Shares | IPO
General And Description Of Business [Line Items]
Shares, Issued | shares					87,400,000
Ordinary Shares | Secondary Public Offering
General And Description Of Business [Line Items]
Shares, Issued | shares				25,300,000
Ordinary Shares | Over-Allotment Option
General And Description Of Business [Line Items]
Stock Issued During Period Shares Other | shares				3,300,000
Shares, Issued | shares					11,400,000
Issuance of incorporation shares consisting of ordinary shares and preferred redeemable shares, shares | shares				3,300,000
Ordinary Shares | Business Acquisitions [Member] | IPO
General And Description Of Business [Line Items]
Share Price | $ / shares					$ 17.00
Ordinary Shares | Ortho-Clinical Diagnostics S.A.
General And Description Of Business [Line Items]
Share price | $ / shares						$ 7.14
Preferred Redeemable Shares
General And Description Of Business [Line Items]
Stock Issued During Period Shares Other | shares						50,000
Issuance of incorporation shares consisting of ordinary shares and preferred redeemable shares, shares | shares						50,000