Benefit Plans (Tables)

3 Months Ended

Apr. 02, 2023

Benefit Plans [Abstract]

Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	Pension Benefits
	Three Months Ended
(in millions of dollars)	Apr. 2, 2023			Apr. 3, 2022
Service cost	$	1.2		$	1.8
Interest cost		3.9			2.4
Expected return on plan assets		(4.5	)		(5.7	)
Amortization:
Prior service cost		—			0.1
Recognized net actuarial loss		0.6			1.5
Net periodic benefit cost	$	1.2		$	0.1

	Post-Retirement Benefits
	Three Months Ended
(in millions of dollars)	Apr. 2, 2023			Apr. 3, 2022
Service cost	$	—		$	—
Interest cost		—			—
Amortization:
Recognized net actuarial (gain)		(0.1	)		(0.1	)
Net periodic benefit cost	$	(0.1	)	$	(0.1	)