Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Net income	$ 121.2	$ 132.2	$ 120.7
Foreign currency translation adjustments, net of tax $3.7 in 2017, $(0.2) in 2016, and $(4.3) in 2015	89.2	(53.4)	(90.2)
Net unrealized loss on short-term investments	(0.2)
Net unrealized actuarial gain (loss), net of tax	(0.3)	0.3	0.1
Comprehensive income	209.9	79.1	30.6
Comprehensive gain (loss) attributable to noncontrolling interests	0.1	(0.2)	(0.4)
Comprehensive income attributable to Trimble Inc.	$ 209.8	$ 79.3	$ 31.0