Benefit Plans (Tables)

9 Months Ended

Sep. 28, 2025

Benefit Plans [Abstract]

Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	Pension Benefits
	Three Months Ended						Nine Months Ended
		Sep. 28,			Sep. 29,			Sep. 28,			Sep. 29,
(in millions of dollars)		2025			2024			2025			2024
Service cost	$	1.0		$	1.0		$	3.0		$	3.3
Interest cost		4.2			4.0			12.6			12.0
Expected return on plan assets		(5.5	)		(5.0	)		(16.5	)		(14.9	)
Amortization:
Recognized net actuarial loss		0.2			0.4			0.7			1.2
Net periodic benefit cost	$	(0.1	)	$	0.4		$	(0.2	)	$	1.6

	Post-Retirement Benefits
	Three Months Ended						Nine Months Ended
		Sep. 28,			Sep. 29,			Sep. 28,			Sep. 29,
(in millions of dollars)		2025			2024			2025			2024
Service cost	$	-		$	-		$	-		$	-
Interest cost		-			-			-			-
Amortization:
Recognized net actuarial gain		(0.1	)		(0.1	)		(0.2	)		(0.3	)
Net periodic benefit cost	$	(0.1	)	$	(0.1	)	$	(0.2	)	$	(0.3	)