Pension Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Net Periodic Pension Cost

Snap-on’s net periodic pension cost included the following components:

	Three Months Ended				Nine Months Ended
(Amounts in millions)	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Service cost	$	5.6	$	4.8	$	16.8	$	14.5
Interest cost		13.9		14.2		41.8		42.6
Expected return on plan assets		(21.2)		(20.4)		(62.2)		(60.8)
Amortization of unrecognized loss		6.9		7.8		20.8		23.5
Amortization of prior service credit		(0.2)		(0.2)		(0.8)		(0.8)
Net periodic pension cost	$	5.0	$	6.2	$	16.4	$	19.0