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Summary of Significant Accounting Policies - Schedule of Intangible Assets (Detail) - USD ($)	3 Months Ended
	Sep. 24, 2022	Mar. 26, 2022	Sep. 25, 2021	Dec. 26, 2020	Dec. 28, 2019	Dec. 25, 2021	Jun. 26, 2021	Mar. 27, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 5,518,200,000		$ 5,578,100,000
Accumulated Amortization	4,237,600,000		3,918,900,000
Impairment charge			1,800,000	$ 30,200,000	$ 30,200,000
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,565,600,000		4,597,700,000
Accumulated Amortization	3,458,200,000		3,184,200,000
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	33,000,000.0		71,600,000
Accumulated Amortization	0		0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	601,900,000		591,700,000
Accumulated Amortization	535,600,000		510,100,000
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	265,200,000		268,100,000
Accumulated Amortization	203,300,000		191,800,000
Acquired intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	5,465,700,000		5,529,100,000
Accumulated Amortization	4,197,100,000		3,886,100,000
Internal-use software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	26,000,000.0		23,500,000
Accumulated Amortization	19,900,000		17,200,000
Capitalized software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	26,500,000		25,500,000
Accumulated Amortization	20,600,000		$ 15,600,000
Mobidiag Oy | In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							$ 74,000,000
Mobidiag Oy | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							20,000,000
Mobidiag Oy | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							20,900,000
Mobidiag Oy | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 27,700,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							$ 285,000,000
Biotheranostics | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								$ 2,100,000
Biotheranostics | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								160,300,000
Diagenode | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								9,200,000
Diagenode | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								69,800,000
Somatex | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								1,200,000
Somatex | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								900,000
Somatex | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill								$ 38,000,000
Faxitron | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Impairment charge		$ 9,200,000
Bolder Surgical | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill						$ 1,400,000
Bolder Surgical | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill						21,700,000
Bolder Surgical | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill						$ 73,600,000
Focal Therapeutics | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Impairment charge		$ 8,200,000

X

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