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Integration, Realignment and Restructuring - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
2025 Actions
Restructuring Cost and Reserve [Line Items]
IT-related Charges	$ 1.7		$ 7.0
Severance	2.1		6.5
Fees and Other/Transformation Costs	2.3		3.3
Total	6.1		16.8
2024 Actions
Restructuring Cost and Reserve [Line Items]
Severance		$ 2.4		$ 3.5
Fees and Other/Transformation Costs		1.9		3.1
Total		4.3		6.6
Enterprise Talent Management \| 2025 Actions
Restructuring Cost and Reserve [Line Items]
IT-related Charges	0.0		0.0
Severance	1.0		3.7
Fees and Other/Transformation Costs	0.1		0.1
Total	1.1		3.8
Enterprise Talent Management \| 2024 Actions
Restructuring Cost and Reserve [Line Items]
Severance		0.3		1.0
Fees and Other/Transformation Costs		0.0		0.0
Total		0.3		1.0
Science, Engineering & Technology \| 2025 Actions
Restructuring Cost and Reserve [Line Items]
IT-related Charges	0.1		0.1
Severance	0.9		2.0
Fees and Other/Transformation Costs	0.0		0.0
Total	1.0		2.1
Science, Engineering & Technology \| 2024 Actions
Restructuring Cost and Reserve [Line Items]
Severance		0.3		0.3
Fees and Other/Transformation Costs		0.0		0.0
Total		0.3		0.3
Education \| 2025 Actions
Restructuring Cost and Reserve [Line Items]
IT-related Charges	0.0		0.0
Severance	0.1		0.1
Fees and Other/Transformation Costs	0.0		0.0
Total	0.1		0.1
Corporate \| 2025 Actions
Restructuring Cost and Reserve [Line Items]
IT-related Charges	1.6		6.9
Severance	0.1		0.7
Fees and Other/Transformation Costs	2.2		3.2
Total	$ 3.9		$ 10.8
Corporate \| 2024 Actions
Restructuring Cost and Reserve [Line Items]
Severance		1.8		2.2
Fees and Other/Transformation Costs		1.9		3.1
Total		$ 3.7		$ 5.3