Exit and Disposal Activities - Components of Exit and Disposal Accrual Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Sep. 28, 2013	Jun. 29, 2013
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 5.5	$ 7.2
Provision	1.7	4.3
Usage	(1.2)	(6.0)
Ending Balance	6.0	5.5
Employee Severance [Member] | Commercial & Industrial Group [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	3.5	6.2
Provision	0.6	2.2
Usage	(0.9)	(4.9)
Ending Balance	3.2	3.5
Employee Severance [Member] | Snap-on Tools Group [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0.1	0.1
Provision	0.2	0.1
Usage		(0.1)
Ending Balance	0.3	0.1
Employee Severance [Member] | Repair Systems & Information Group [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1.8	0.7
Provision	0.9	1.9
Usage	(0.2)	(0.8)
Ending Balance	2.5	1.8
Employee Severance [Member] | Financial Services [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance
Provision		0.1
Usage		(0.1)
Ending Balance
Facility Closing [Member] | Commercial & Industrial Group [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	0.1	0.2
Provision
Usage	(0.1)	(0.1)
Ending Balance		$ 0.1