Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Revenue:
Product	$ 373.0	$ 415.6	$ 1,168.2	$ 1,327.1
Service	103.9	98.3	310.5	291.7
Subscription	85.4	70.9	252.0	212.9
Total revenue	562.3	584.8	1,730.7	1,831.7
Cost of sales:
Product	175.5	189.3	554.0	605.4
Service	39.4	36.8	123.0	108.6
Subscription	26.1	21.8	75.8	58.4
Amortization of purchased intangible assets	23.3	20.1	68.8	61.0
Total cost of sales	264.3	268.0	821.6	833.4
Gross margin	298.0	316.8	909.1	998.3
Operating expense:
Research and development	79.6	79.0	251.3	237.2
Sales and marketing	89.1	95.8	281.8	288.8
General and administrative	63.2	111.4	192.1	230.2
Restructuring charges	2.7	0.2	9.0	1.3
Amortization of purchased intangible assets	17.4	19.3	53.4	56.8
Total operating expense	252.0	305.7	787.6	814.3
Operating income	46.0	11.1	121.5	184.0
Non-operating income (expense), net:
Interest expense, net	(6.4)	(3.0)	(19.1)	(9.8)
Foreign currency transaction gain (loss)	0.1	(3.2)	1.2	(3.8)
Income from equity method investments	4.7	2.8	14.1	11.5
Other income (expense), net	(0.9)	(0.6)	5.8	12.5
Total non-operating income (expense), net	(2.5)	(4.0)	2.0	10.4
Income before taxes	43.5	7.1	123.5	194.4
Income tax provision (benefit)	6.5	(4.7)	26.7	36.4
Net income	37.0	11.8	96.8	158.0
Less: Net loss attributable to noncontrolling interests	(0.1)	0.0	(0.3)	(0.3)
Net income attributable to Trimble Navigation Ltd.	$ 37.1	$ 11.8	$ 97.1	$ 158.3
Basic income per share	$ 0.15	$ 0.05	$ 0.38	$ 0.61
Shares used in calculating basic income per share	254.8	260.3	257.5	260.4
Diluted income per share	$ 0.14	$ 0.04	$ 0.37	$ 0.60
Shares used in calculating diluted income per share	257.2	264.4	260.3	265.1