Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Revenue:
Revenue	$ 733.6	$ 854.8	$ 1,525.9	$ 1,656.4
Cost of sales:
Cost of Sales	327.9	394.2	679.2	757.5
Amortization of purchased intangible assets	23.2	23.8	46.7	48.0
Gross margin	405.7	460.6	846.7	898.9
Operating expense:
Research and development	114.0	119.6	232.2	237.8
Sales and marketing	103.6	128.8	235.3	256.2
General and administrative	68.8	79.9	141.8	162.7
Restructuring charges	5.1	2.9	8.0	6.4
Amortization of purchased intangible assets	16.6	19.7	33.5	39.8
Total operating expense	308.1	350.9	650.8	702.9
Operating income	97.6	109.7	195.9	196.0
Non-operating income (expense), net:
Interest expense, net	(19.6)	(20.6)	(40.1)	(42.5)
Income from equity method investments, net	9.7	12.9	19.1	21.7
Other income (expense), net	3.2	13.4	(4.6)	15.4
Total non-operating income (expense), net	(6.7)	5.7	(25.6)	(5.4)
Income before taxes	90.9	115.4	170.3	190.6
Income tax provision	27.7	20.8	45.2	33.6
Net income	63.2	94.6	125.1	157.0
Net income attributable to noncontrolling interests	0.2	0.0	0.2	0.1
Net income attributable to Trimble Inc.	$ 63.0	$ 94.6	$ 124.9	$ 156.9
Basic earnings per share (in dollars per share)	$ 0.25	$ 0.38	$ 0.50	$ 0.62
Shares used in calculating basic earnings per share (in shares)	250.0	251.7	250.0	251.6
Diluted earnings per share (in dollars per share)	$ 0.25	$ 0.37	$ 0.50	$ 0.62
Shares used in calculating diluted earnings per share (in shares)	251.2	254.0	251.5	254.0
Product
Revenue:
Revenue	$ 412.4	$ 521.1	$ 876.2	$ 1,009.5
Cost of sales:
Cost of Sales	199.4	257.0	409.5	487.7
Service
Revenue:
Revenue	156.6	174.6	319.0	333.8
Cost of sales:
Cost of Sales	56.0	69.3	119.6	133.3
Subscription
Revenue:
Revenue	164.6	159.1	330.7	313.1
Cost of sales:
Cost of Sales	$ 49.3	$ 44.1	$ 103.4	$ 88.5