Postretirement Health Care Plans - (Tables)

9 Months Ended

Sep. 26, 2020

Postemployment Benefits [Abstract]

Net Periodic Postretirement Health Care Cost

Snap-on’s net periodic postretirement health care cost included the following components: 

	Three Months Ended				Nine Months Ended
(Amounts in millions)	September 26, 2020		September 28, 2019		September 26, 2020		September 28, 2019
Interest cost	$	0.4	$	0.4	$	1.1	$	1.4
Expected return on plan assets	(0.2)		(0.1)		(0.5)		(0.5)
Amortization of unrecognized gain	—		(0.2)		—		(0.6)
Net periodic postretirement health care cost	$	0.2	$	0.1	$	0.6	$	0.3