Revenue Recognition and Contract Balances (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

	Fiscal Year Ended December 31, 2023						Fiscal Year Ended December 31, 2023
	Customer Type						Geographic Region (c)
(in millions)	U.S. Govt. (a)		Other (b)		Total		United States		Europe		Asia		All other		Total
Net sales:
Digital Imaging	$	570.7	$	2,573.4	$	3,144.1	$	1,406.9	$	808.7	$	622.9	$	305.6	$	3,144.1
Instrumentation	95.9		1,230.3		1,326.2		566.2		386.8		253.0		120.2		1,326.2
Aerospace and Defense Electronics	330.3		396.2		726.5		492.0		137.2		67.1		30.2		726.5
Engineered Systems	384.8		53.9		438.7		430.3		—		3.8		4.6		438.7
Total	$	1,381.7	$	4,253.8	$	5,635.5	$	2,895.4	$	1,332.7	$	946.8	$	460.6	$	5,635.5

(a) U.S. Government sales include sales as a prime contractor or subcontractor.

(b) Primarily commercial sales

(c) Geographic region by destination

	Fiscal Year Ended January 1, 2023						Fiscal Year Ended January 1, 2023
	Customer Type						Geographic Region (c)
(in millions)	U.S. Govt. (a)		Other (b)		Total		United States		Europe		Asia		All other		Total
Net sales:
Digital Imaging	$	619.1	$	2,491.8	$	3,110.9	$	1,416.6	$	749.7	$	637.8	$	306.8	$	3,110.9
Instrumentation	108.1		1,145.9		1,254.0		554.5		311.5		267.1		120.9		1,254.0
Aerospace and Defense Electronics	266.3		416.1		682.4		494.6		96.1		65.3		26.4		682.4
Engineered Systems	366.4		44.9		411.3		406.9		—		1.3		3.1		411.3
Total	$	1,359.9	$	4,098.7	$	5,458.6	$	2,872.6	$	1,157.3	$	971.5	$	457.2	$	5,458.6

(a) U.S. Government sale include sales as a prime contractor or subcontractor.

(b) Primarily commercial sales

(c) Geographic region by destination

	Fiscal Year Ended January 2, 2022						Fiscal Year Ended January 2, 2022
	Customer Type						Geographic Region (c)
(in millions)	U.S. Govt. (a)		Other (b)		Total		United States		Europe		Asia		All other		Total
Net sales:
Digital Imaging	$	515.9	$	1,897.0	$	2,412.9	$	1,082.6	$	567.8	$	510.3	$	252.2	$	2,412.9
Instrumentation	91.6		1,075.3		1,166.9		512.6		298.5		247.5		108.3		1,166.9
Aerospace and Defense Electronics	227.2		401.5		628.7		469.0		92.1		48.6		19.0		628.7
Engineered Systems	358.4		47.4		405.8		402.2		0.1		1.5		2.0		405.8
Total	$	1,193.1	$	3,421.2	$	4,614.3	$	2,466.4	$	958.5	$	807.9	$	381.5	$	4,614.3

(a) U.S. Government sales include sales as a prime contractor or subcontractor.

(b) Primarily commercial sales

(c) Geographic region by destination