Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Oct. 03, 2014	Sep. 27, 2013
Revenue:
Product	$ 415,490	$ 401,565	$ 1,327,054	$ 1,240,232
Service	98,366	85,521	291,747	251,628
Subscription	70,940	69,416	212,915	197,046
Total revenue	584,796	556,502	1,831,716	1,688,906
Cost of sales:
Product	189,331	187,865	605,452	587,059
Service	36,759	31,959	108,605	95,351
Subscription	21,876	21,223	58,460	62,190
Amortization of purchased intangible assets	20,057	20,402	60,963	59,938
Total cost of sales	268,023	261,449	833,480	804,538
Gross margin	316,773	295,053	998,236	884,368
Operating expense
Research and development	78,954	71,622	237,137	221,785
Sales and marketing	95,843	85,507	288,818	254,437
General and administrative	111,399	53,648	230,196	158,378
Restructuring charges	219	31	1,345	4,602
Amortization of purchased intangible assets	19,269	21,216	56,806	60,775
Total operating expense	305,684	232,024	814,302	699,977
Operating income	11,089	63,029	183,934	184,391
Non-operating income (loss), net
Interest expense, net	(2,975)	(4,122)	(9,822)	(13,448)
Foreign currency transaction loss	(3,200)	(157)	(3,809)	(1,126)
Income from equity method investments	2,840	4,494	11,528	15,908
Other income (loss), net	(599)	268	12,567	847
Total non-operating income (loss), net	(3,934)	483	10,464	2,181
Income before taxes	7,155	63,512	194,398	186,572
Income tax provision (benefit)	(4,720)	8,892	36,371	28,067
Net income	11,875	54,620	158,027	158,505
Less: Net gain (loss) attributable to noncontrolling interests	43	151	(263)	(353)
Net income attributable to Trimble Navigation Ltd.	$ 11,832	$ 54,469	$ 158,290	$ 158,858
Basic income per share	$ 0.05	$ 0.21	$ 0.61	$ 0.62
Shares used in calculating basic income per share	260,329	257,037	260,398	256,135
Diluted income per share	$ 0.04	$ 0.21	$ 0.60	$ 0.61
Shares used in calculating diluted income per share	264,419	261,137	265,053	260,664