Basis of Presentation and Summary of Significant Accounting Policies (Policies)	3 Months Ended
Mar. 30, 2025
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited Consolidated Financial Statements of QuidelOrtho Corporation and its subsidiaries (the “Company” or “QuidelOrtho”) have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation (consisting of normal recurring accruals) have been included. Refer to the Summary of Abbreviated Terms at the end of this Quarterly Report for definitions of terms used throughout this Quarterly Report. The information at March 30, 2025, and for the three months ended March 30, 2025 and March 31, 2024, is unaudited. For further information, refer to the Company’s Consolidated Financial Statements and notes thereto for fiscal year ended December 29, 2024 included in QuidelOrtho’s Annual Report. Operating results for any quarter are historically seasonal in nature and are not necessarily indicative of the results expected for the full year. The Company follows the concept of a fiscal year that ends on the Sunday nearest to the end of the month of December, and fiscal quarters that end on the Sunday nearest to the end of the months of March, June and September. For 2025 and 2024, the Company’s fiscal year will end or has ended on December 28, 2025 (“fiscal year ended 2025”) and December 29, 2024 (“fiscal year ended 2024”), respectively. For fiscal years ended 2025 and 2024, the Company’s first quarter ended on March 30, 2025 and March 31, 2024, respectively. The three months ended March 30, 2025 and March 31, 2024 each included 13 weeks.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the related disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Recent Accounting Pronouncements	Recent Accounting Pronouncements There have been no accounting pronouncements issued or adopted during the three months ended March 30, 2025 that are expected to have a material impact on the Company’s Consolidated Financial Statements.

Basis of Presentation and Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 30, 2025

The accompanying unaudited Consolidated Financial Statements of QuidelOrtho Corporation and its subsidiaries (the “Company” or “QuidelOrtho”) have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation (consisting of normal recurring accruals) have been included. Refer to the Summary of Abbreviated Terms at the end of this Quarterly Report for definitions of terms used throughout this Quarterly Report.

The information at March 30, 2025, and for the three months ended March 30, 2025 and March 31, 2024, is unaudited. For further information, refer to the Company’s Consolidated Financial Statements and notes thereto for fiscal year ended December 29, 2024 included in QuidelOrtho’s Annual Report. Operating results for any quarter are historically seasonal in nature and are not necessarily indicative of the results expected for the full year.

The Company follows the concept of a fiscal year that ends on the Sunday nearest to the end of the month of December, and fiscal quarters that end on the Sunday nearest to the end of the months of March, June and September. For 2025 and 2024, the Company’s fiscal year will end or has ended on December 28, 2025 (“fiscal year ended 2025”) and December 29, 2024 (“fiscal year ended 2024”), respectively. For fiscal years ended 2025 and 2024, the Company’s first quarter ended on March 30, 2025 and March 31, 2024, respectively. The three months ended March 30, 2025 and March 31, 2024 each included 13 weeks.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the related disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Recent Accounting Pronouncements

There have been no accounting pronouncements issued or adopted during the three months ended March 30, 2025 that are expected to have a material impact on the Company’s Consolidated Financial Statements.