Goodwill and Other Intangible Assets - (Tables)

9 Months Ended

Sep. 26, 2020

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 the nine months ended September 26, 2020, are as follows:

(Amounts in millions)	Commercial & Industrial Group		Snap-on Tools Group		Repair Systems & Information Group		Total
Balance as of December 28, 2019	$	286.2	$	12.5	$	615.1	$	913.8
Currency translation	11.3		—		4.7		16.0
Acquisitions and related adjustments	—		—		8.7		8.7
Balance as of September 26, 2020	$	297.5	$	12.5	$	628.5	$	938.5

Other Intangible Assets by Major Class

Additional disclosures related to other intangible assets are as follows:

	September 26, 2020				December 28, 2019
(Amounts in millions)	Gross Carrying Value		Accumulated Amortization		Gross Carrying Value		Accumulated Amortization
Amortized other intangible assets:
Customer relationships	$	183.5	$	(125.8)	$	182.9	$	(117.9)
Developed technology	19.7		(19.2)		19.8		(18.9)
Internally developed software	169.1		(124.8)		168.0		(125.4)
Patents	41.2		(24.6)		38.5		(23.7)
Trademarks	3.8		(2.2)		3.5		(2.1)
Other	7.8		(3.7)		7.3		(3.1)
Total	425.1		(300.3)		420.0		(291.1)
Non-amortized trademarks	116.8		—		115.0		—
Total other intangible assets	$	541.9	$	(300.3)	$	535.0	$	(291.1)

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