Condensed Consolidated Statements Of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 85.8	$ 124.0	$ 364.1	$ 377.5
Foreign currency translation adjustments, net of tax	(95.6)	(28.7)	(173.0)	(42.1)
Comprehensive (loss) income	(9.8)	95.3	191.1	335.4
Comprehensive income attributable to noncontrolling interests	0.0	0.0	0.0	0.1
Comprehensive (loss) income attributable to Trimble Inc.	$ (9.8)	$ 95.3	$ 191.1	$ 335.3