Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by segment for 2017 and 2016 are as follows:

(Amounts in millions)	Commercial & Industrial Group		Snap-on Tools Group		Repair Systems & Information Group		Total
Balance as of 2015 year end	$	253.1	$	12.5	$	524.5	$	790.1
Currency translation		(16.4)		–		(9.5)		(25.9)
Acquisitions		5.7		–		125.6		131.3
Balance as of 2016 year end	$	242.4	$	12.5	$	640.6	$	895.5
Currency translation		30.3		–		15.8		46.1
Acquisitions		25.7		–		(43.2)		(17.5)
Balance as of 2017 year end	$	298.4	$	12.5	$	613.2	$	924.1

Other Intangible Assets by Major Class

Additional disclosures related to other intangible assets as of 2017 and 2016 year end are as follows:

	2017				2016
(Amounts in millions)	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Amortized other intangible assets:
Customer relationships	$	175.2	$	(98.2)	$	142.6	$	(86.0)
Developed technology		18.9		(18.4)		17.7		(17.7)
Internally developed software		177.0		(133.4)		165.7		(118.3)
Patents		34.1		(22.7)		31.9		(21.5)
Trademarks		3.0		(2.0)		2.8		(1.8)
Other		7.7		(2.7)		7.2		(2.2)
Total		415.9		(277.4)		367.9		(247.5)
Non-amortized trademarks		115.2		–		64.2		–
Total other intangible assets	$	531.1	$	(277.4)	$	432.1	$	(247.5)

Weighted-Average Amortization Period by Major Class

The weighted-average amortization periods related to other intangible assets are as follows:

	In Years
Customer relationships	15
Developed technology	3
Internally developed software	4
Patents	8
Trademarks	6
Other	39