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Summary of Significant Accounting Policies - Schedule of Intangible Assets (Detail)	3 Months Ended
	Jul. 01, 2023 USD ($)	Sep. 24, 2022 USD ($)	Jun. 25, 2022 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 25, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		$ 5,518,200,000		$ 5,342,000,000
Accumulated Amortization		4,237,600,000		4,453,400,000
Impairment charge	$ 186,900,000
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment charge	10,500,000
ultrasound imaging assets, equipment
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 5,800,000
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		4,565,600,000		4,411,000,000
Accumulated Amortization		3,458,200,000		3,649,500,000
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		33,000,000.0		25,700,000
Accumulated Amortization		0		0
Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure				26,500,000
In Process Research and Development [Member] | Valuation Technique, Discounted Cash Flow
Finite-Lived Intangible Assets [Line Items]
Intangible Asset, Measurement Input	0.170
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		601,900,000		600,000,000.0
Accumulated Amortization		535,600,000		550,600,000
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		265,200,000		253,600,000
Accumulated Amortization		203,300,000		212,800,000
Acquired intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		5,465,700,000		5,290,300,000
Accumulated Amortization		4,197,100,000		4,412,900,000
Internal-use software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		26,000,000.0		24,000,000.0
Accumulated Amortization		19,900,000		17,800,000
Capitalized software [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value		26,500,000		27,700,000
Accumulated Amortization		20,600,000		$ 22,700,000
ultrasound imaging assets, developed technology
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 20,600,000
Mobidiag Oy
Finite-Lived Intangible Assets [Line Items]
Impairment charge	186,900,000
Mobidiag Oy | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment charge	10,700,000
Mobidiag Oy | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Impairment charge	10,400,000
Mobidiag Oy | Developed Technology
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 153,700,000	27,700,000
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

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