Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 28, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Selected Quarterly Financial Data

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Fiscal Period	2012		2012		2012		2012
(in thousands, except per share data)
Revenue	$	502,267	$	517,560	$	504,763	$	515,523
Gross margin	259,150		267,696		262,867		256,463
Net income attributable to Trimble Navigation Ltd.	50,818		53,692		53,364		33,185
Basic net income per share	0.41		0.43		0.42		0.26
Diluted net income per share	0.40		0.42		0.42		0.26

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Fiscal Period	2011		2011		2011		2011
(in thousands, except per share data)
Revenue	$	384,293	$	407,169	$	417,433	$	435,170
Gross margin	191,530		208,734		211,559		217,758
Net income attributable to Trimble Navigation Ltd.	39,703		53,678		27,971		29,403
Basic net income per share	0.33		0.44		0.23		0.24
Diluted net income per share	0.32		0.43		0.22		0.23