Postretirement Benefits (Tables)

9 Months Ended

Sep. 26, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Pension and other postretirement benefit costs included the following components for the three months and nine months ended September 26, 2020 and September 28, 2019:

	Pension Benefits								Other Postretirement Benefits
	Three Months Ended				Nine Months Ended				Three Months Ended				Nine Months Ended
(in millions)	Sep 26, 2020		Sep 28, 2019		Sep 26, 2020		Sep 28, 2019		Sep 26, 2020		Sep 28, 2019		Sep 26, 2020		Sep 28, 2019
Interest cost	$	0.2	$	0.7	$	0.5	$	5.9	$	0.2	$	0.3	$	0.6	$	0.9
Expected return on plan assets	—		(0.6)		—		(7.4)		—		—		—		—
Amortization of prior service credits	—		—		—		—		(0.2)		(0.1)		(0.5)		(0.5)
Amortization of net actuarial losses	0.1		0.6		0.4		5.7		—		—		—		—
Settlement charge (benefit)	0.2		294.1		(1.1)		294.1		—		—		—		—
Net pension and other benefit costs	$	0.5	$	294.8	$	(0.2)	$	298.3	$	0.0	$	0.2	$	0.1	$	0.4