Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Comprehensive income (loss):
Net earnings	$ 201.5	$ 184.7	$ 612.3	$ 432.6
Other comprehensive income (loss):
Foreign currency translation	(38.6)	42.6	(47.4)	22.4
Reclassification of foreign currency translation loss from sale of equity interest to net earnings	0.0	0.0	(1.0)	0.0
Unrealized cash flow hedges, net of tax:
Other comprehensive income before reclassifications	0.0	0.0	0.0	1.4
Reclassification of cash flow hedges to net earnings	(0.4)	(0.4)	(1.2)	(1.2)
Defined benefit pension and postretirement plans:
Amortization of net unrecognized losses included in net periodic benefit cost	9.0	8.7	27.2	25.9
Income tax benefit	(2.1)	(2.1)	(6.6)	(6.2)
Net of tax	6.9	6.6	20.6	19.7
Total comprehensive income	169.4	233.5	583.3	474.9
Comprehensive income attributable to noncontrolling interests	(5.3)	(5.0)	(15.5)	(14.5)
Comprehensive income attributable to Snap-on Incorporated	$ 164.1	$ 228.5	$ 567.8	$ 460.4