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Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 29, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable And Unbilled Receivables

			Balance at year-end
Accounts Receivable and Unbilled Receivables (in millions):			2024						2023
Commercial and other billed receivables			$	737.1					$	760.9
U.S. Government and prime contractors billed receivables			179.5						150.3
			916.6						911.2
Allowance for doubtful accounts			(15.5)						(11.5)
Account receivable, net			$	901.1					$	899.7
Commercial and other unbilled receivables, net			$	184.2					$	156.7
U.S. Government and prime contractors unbilled receivables, net			127.9						145.7
Unbilled receivables, net			$	312.1					$	302.4

Schedule of Inventory

			Balance at year-end
Inventories (in millions):			2024									2023
Raw materials and supplies			$	559.2								$	560.6
Work in process			190.4									184.8
Finished goods			164.8									172.3
Total inventories, net			$	914.4								$	917.7

Schedule of Property, Plant and Equipment

			Balance at year-end
Property, plant and equipment (in millions):			2024						2023
Land			$	106.3					$	107.4
Buildings			463.7						450.9
Equipment, software and other			1,187.3						1,165.8
Total property, plant and equipment, gross			1,757.3						1,724.1
Accumulated depreciation and amortization			(1,012.1)						(947.1)
Total property, plant and equipment, net			$	745.2					$	777.0

Schedule of Accrued Liabilities

			Balance at year-end
Accrued liabilities (in millions):			2024						2023
Contract liabilities			$	312.6					$	241.1
Compensation, benefit and other employee related accruals			210.7						204.6
Warranty reserve			41.1						40.5
Operating lease liabilities			30.2						30.1
Derivative liabilities			16.4						27.4
Other			233.9						237.6
Total accrued liabilities			$	844.9					$	781.3

Schedule of Other Long-term Liabilities

			Balance at year-end
Other long-term liabilities (in millions):			2024						2023
Operating lease liabilities			$	109.6					$	123.4
Unrecognized tax benefits, including accrued interest and penalties			28.0						104.5
Deferred compensation liabilities			111.3						102.2
Pension and postretirement related liabilities			58.8						57.8
Contract liabilities			30.5						25.5
Derivative liabilities			0.5						—
Warranty reserve			9.1						8.6
Other			33.0						53.8
Total other long-term liabilities			$	380.8					$	475.8

Schedule of Changes in Product Warranty Reserve

A rollforward of the warranty reserve, including both short and long-term reserve balances, for the years 2024, 2023 or 2022 was as follows:

Warranty Reserve (in millions):			2024						2023						2022
Balance at beginning of year			$	49.1					$	50.3					$	49.5
Product warranty expense			25.7						13.5						12.6
Deductions			(25.0)						(14.9)						(14.3)
Assumed in business acquisitions			0.4						0.2						2.5
Balance at end of year			$	50.2					$	49.1					$	50.3

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