Condensed Consolidated Statements of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Net sales	$ 1,027.4	$ 985.9	$ 2,774.4	$ 3,028.6
Operating earnings	251.3	228.7	595.8	728.7
Interest expense	(13.8)	(12.0)	(38.6)	(36.9)
Other income (expense) – net	2.8	2.8	6.3	6.4
Earnings before income taxes and equity earnings	240.3	219.5	563.5	698.2
Income tax expense	(55.1)	(50.4)	(130.9)	(162.9)
Earnings before equity earnings	185.2	169.1	432.6	535.3
Equity earnings (loss), net of tax	(0.5)	0.1	0.0	0.9
Net earnings	184.7	169.2	432.6	536.2
Net earnings attributable to noncontrolling interests	(5.0)	(4.6)	(14.5)	(13.3)
Net earnings attributable to Snap-on Incorporated	$ 179.7	$ 164.6	$ 418.1	$ 522.9
Net earnings per share attributable to Snap-on Incorporated:
Basic (in dollars per share)	$ 3.31	$ 2.99	$ 7.69	$ 9.47
Diluted (in dollars per share)	$ 3.28	$ 2.96	$ 7.62	$ 9.34
Weighted-average shares outstanding:
Basic (in shares)	54.3	55.0	54.4	55.2
Effect of dilutive securities (in shares)	0.5	0.7	0.5	0.8
Weighted-average common shares outstanding, diluted (in shares)	54.8	55.7	54.9	56.0
Dividends declared per common share (in dollars per share)	$ 1.08	$ 0.95	$ 3.24	$ 2.85
Excluding Financial Services
Net sales	$ 941.6	$ 901.8	$ 2,518.1	$ 2,774.8
Cost of goods sold	(472.1)	(453.7)	(1,285.8)	(1,381.3)
Gross profit	469.5	448.1	1,232.3	1,393.5
Operating expenses	(283.8)	(280.4)	(816.6)	(848.5)
Operating earnings	185.7	167.7	415.7	545.0
Financial Service
Net sales	85.8	84.1	256.3	253.8
Cost of goods sold	(20.2)	(23.1)	(76.2)	(70.1)
Operating earnings	$ 65.6	$ 61.0	$ 180.1	$ 183.7