Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 28, 2019

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 2019 and 2018 are as follows: 

(Amounts in millions)	Commercial & Industrial Group		Snap-on Tools Group		Repair Systems  & Information Group		Total
Balance as of 2017 year end	$	298.4	$	12.5	$	613.2	$	924.1
Currency translation	(16.3)		—		(9.7)		(26.0)
Acquisitions	4.1		—		—		4.1
Balance as of 2018 year end	$	286.2	$	12.5	$	603.5	$	902.2
Currency translation	(6.4)		—		(1.1)		(7.5)
Acquisitions	6.4		—		12.7		19.1
Balance as of 2019 year end	$	286.2	$	12.5	$	615.1	$	913.8

Other Intangible Assets by Major Class

Additional disclosures related to other intangible assets as of 2019 and 2018 year end are as follows: 

	2019				2018
(Amounts in millions)	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Amortized other intangible assets:
Customer relationships	$	182.9	$	(117.9)	$	172.2	$	(107.6)
Developed technology	19.8		(18.9)		18.5		(18.3)
Internally developed software	168.0		(125.4)		156.6		(116.6)
Patents	38.5		(23.7)		35.7		(22.9)
Trademarks	3.5		(2.1)		3.2		(2.0)
Other	7.3		(3.1)		7.3		(2.9)
Total	420.0		(291.1)		393.5		(270.3)
Non-amortized trademarks	115.0		—		109.7		—
Total other intangible assets	$	535.0	$	(291.1)	$	503.2	$	(270.3)

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	2
Internally developed software	6
Patents	7
Trademarks	5
Other	39