Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues	$ 579,140	$ 612,401	$ 1,150,780	$ 1,176,092
Cost of revenues	382,395	420,450	770,930	799,163
Gross profit	196,745	191,951	379,850	376,929
Operating expenses
Sales and marketing	50,847	48,671	100,703	93,149
Product development	46,640	40,628	90,996	80,770
General and administrative	33,450	36,463	70,020	71,135
Amortization of intangible assets	12,025	16,197	23,938	31,794
Restructuring expense	7,720	1,907	8,509	1,907
Total operating expenses	150,682	143,866	294,166	278,755
Operating Income (Loss)	46,063	48,085	85,684	98,174
Other income (expense)
Interest income	177	168	370	476
Interest expense	(2,606)	(11,420)	(5,043)	(23,534)
Other income (expense), net	(779)	(1,350)	(2,955)	(2,940)
Total other income (expense)	(3,208)	(12,602)	(7,628)	(25,998)
Income Before Income Taxes	42,855	35,483	78,056	72,176
Income tax (provision) benefit	(10,564)	80	(20,193)	(9,487)
Net income	32,291	35,563	57,863	62,689
Net income attributable to noncontrolling interests	676	1,127	895	1,133
Net income attributable to Itron, Inc.	$ 31,615	$ 34,436	$ 56,968	$ 61,556
Earnings per common share-Basic	$ 0.79	$ 0.85	$ 1.43	$ 1.52
Earnings per common share-Diluted	$ 0.79	$ 0.84	$ 1.42	$ 1.50
Weighted average common shares outstanding-Basic	39,887	40,670	39,900	40,608
Weighted average common shares outstanding-Diluted	40,126	41,077	40,170	41,059