Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Revenues:
Product	$ 402,198	$ 344,183	$ 800,736	$ 671,115
Service	63,595	34,252	121,025	67,771
Subscription	51,767	28,734	98,066	52,576
Total revenues	517,560	407,169	1,019,827	791,462
Cost of sales:
Product	199,135	166,790	392,179	331,125
Service	21,455	16,320	43,976	30,702
Subscription	15,978	8,616	30,409	15,774
Amortization of purchased intangible assets	13,296	6,709	26,417	13,597
Total cost of sales	249,864	198,435	492,981	391,198
Gross margin	267,696	208,734	526,846	400,264
Operating expenses
Research and development	64,305	46,292	124,540	89,524
Sales and marketing	77,589	63,490	153,613	124,697
General and administrative	49,987	37,157	96,873	70,629
Restructuring charges	1,112	361	1,593	1,128
Amortization of purchased intangible assets	15,782	9,867	31,458	19,044
Total operating expenses	208,775	157,167	408,077	305,022
Consolidated operating income	58,921	51,567	118,769	95,242
Interest expense, net	(3,773)	(1,031)	(7,636)	(1,242)
Foreign currency transaction gain (loss), net	196	6,496	(2,017)	6,802
Income from equity method investments, net	7,063	3,418	13,255	6,181
Other income (expense), net	884	(252)	1,247	(504)
Total non-operating income, net	4,370	8,631	4,849	11,237
Income before taxes	63,291	60,198	123,618	106,479
Income tax provision	10,126	6,020	20,381	13,429
Net income	53,165	54,178	103,237	93,050
Less: Net gain (loss) attributable to noncontrolling interests	(527)	500	(1,273)	(331)
Net income attributable to Trimble Navigation Ltd.	$ 53,692	$ 53,678	$ 104,510	$ 93,381
Basic earnings per share	$ 0.43	$ 0.44	$ 0.84	$ 0.76
Shares used in calculating basic earnings per share	125,366	122,667	124,868	122,243
Diluted earnings per share	$ 0.42	$ 0.43	$ 0.82	$ 0.74
Shares used in calculating diluted earnings per share	128,293	126,192	128,026	126,024