Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Revenue:
Total revenue	$ 3,659.1	$ 3,147.7	$ 3,264.3
Cost of sales:
Amortization of purchased intangible assets	87.7	92.3	94.1
Total cost of sales	1,624.4	1,392.8	1,483.4
Gross margin	2,034.7	1,754.9	1,780.9
Operating expense:
Research and development	536.6	475.9	469.7
Sales and marketing	506.8	467.0	504.2
General and administrative	369.1	300.9	330.6
Restructuring charges	10.3	25.8	26.8
Amortization of purchased intangible assets	50.9	65.5	73.7
Total operating expense	1,473.7	1,335.1	1,405.0
Operating income	561.0	419.8	375.9
Non-operating expense, net:
Interest expense, net	(65.4)	(77.6)	(82.4)
Income from equity method investments, net	37.7	39.4	35.8
Other income, net	41.3	13.4	15.5
Total non-operating income (expense), net	13.6	(24.8)	(31.1)
Income before taxes	574.6	395.0	344.8
Income tax provision (benefit)	81.8	4.4	(169.7)
Net income	492.8	390.6	514.5
Net gain attributable to noncontrolling interests	0.1	0.7	0.2
Net income attributable to Trimble Inc.	$ 492.7	$ 389.9	$ 514.3
Earnings per share attributable to Trimble Inc.:
Basic (in dollars per share)	$ 1.96	$ 1.56	$ 2.05
Diluted (in dollars per share)	$ 1.94	$ 1.55	$ 2.03
Shares used in calculating earnings per share:
Basic (in shares)	251.4	250.5	250.8
Diluted (in shares)	254.3	252.3	252.9
Product
Revenue:
Total revenue	$ 2,247.5	$ 1,828.0	$ 1,934.8
Cost of sales:
Cost of goods and service excluding amortization	1,090.1	855.0	939.4
Service
Revenue:
Total revenue	649.4	644.8	686.2
Cost of sales:
Cost of goods and service excluding amortization	229.9	234.5	253.9
Subscription
Revenue:
Total revenue	762.2	674.9	643.3
Cost of sales:
Cost of goods and service excluding amortization	$ 216.7	$ 211.0	$ 196.0