Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2019	Sep. 28, 2018	Sep. 27, 2019	Sep. 28, 2018
Net income	$ 78.1	$ 73.7	$ 235.1	$ 196.5
Foreign currency translation adjustments, net of tax	(26.9)	7.4	(21.4)	(22.8)
Net unrealized gain (loss), net of tax	0.0	(0.1)	0.2	0.3
Comprehensive income	51.2	81.0	213.9	174.0
Comprehensive gain attributable to noncontrolling interests	0.0	0.0	0.1	0.2
Comprehensive income attributable to Trimble Inc.	$ 51.2	$ 81.0	$ 213.8	$ 173.8