Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable And Unbilled Receivables

Accounts Receivable and Unbilled Receivables (in millions):	Balance at year-end
	2023		2022
Commercial and other billed receivables	$	760.9	$	763.1
U.S. Government and prime contractors billed receivables	150.3		132.3
	911.2		895.4
Allowance for doubtful accounts	(11.5)		(11.7)
Account receivable, net	$	899.7	$	883.7
Commercial and other unbilled receivables, net	$	156.7	$	148.3
U.S. Government and prime contractors unbilled receivables, net	145.7		126.4
Unbilled receivables, net	$	302.4	$	274.7

Schedule of Inventory

Inventories (in millions):	Balance at year-end
	2023		2022
Raw materials and supplies	$	560.6	$	563.7
Work in process	184.8		156.8
Finished goods	172.3		170.2
Total inventories, net	$	917.7	$	890.7

Schedule of Property, Plant and Equipment

Property, plant and equipment (in millions):	Balance at year-end
	2023		2022
Land	$	107.4	$	103.6
Buildings	450.9		436.4
Equipment and software and other	1,165.8		1,077.6
	1,724.1		1,617.6
Accumulated depreciation and amortization	(947.1)		(847.8)
Total property, plant and equipment, net	$	777.0	$	769.8

Schedule of Accrued Liabilities

Accrued liabilities (in millions):	Balance at year-end
	2023		2022
Contract liabilities	$	241.1	$	187.6
Compensation, benefit and other employee related accruals	204.6		205.1
Warranty reserve	40.5		43.3
Operating lease liabilities	30.1		29.4
Derivative liabilities	27.4		27.8
Other	237.6		224.4
Total accrued liabilities	$	781.3	$	717.6

Schedule of Other Long-term Liabilities

Other long-term liabilities (in millions):	Balance at year-end
	2023		2022
Operating lease liabilities	$	123.4	$	125.9
Unrecognized tax benefits, including accrued interest and penalties	104.5		176.3
Deferred compensation liabilities	102.2		92.2
Pension and postretirement related liabilities	57.8		50.2
Contract liabilities	25.5		20.2
Derivative liabilities	—		19.4
Warranty reserve	8.6		7.0
Other	53.8		56.0
Total other long-term liabilities	$	475.8	$	547.2

Schedule of Changes in Product Warranty Reserve

A rollforward of the warranty reserve, including both short and long-term reserve balances, for the years 2023, 2022 or 2021 was as follows:

Warranty Reserve (in millions):	2023		2022		2021
Balance at beginning of year	$	50.3	$	49.5	$	22.4
Product warranty expense	13.5		12.6		11.9
Deductions	(14.9)		(14.3)		(10.1)
Assumed in business acquisitions	0.2		2.5		25.3
Balance at end of year	$	49.1	$	50.3	$	49.5