Consolidated Statements of Operations - Geographical [Domain] - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues	$ 470,103	$ 489,353	$ 918,350	$ 964,148
Cost of revenues	351,532	326,312	661,580	646,572
Gross profit	118,571	163,041	256,770	317,576
Operating expenses
Sales and marketing	43,058	46,119	84,085	93,728
Product development	43,318	43,999	84,840	88,408
General and administrative	32,492	37,680	72,077	78,087
Amortization of intangible assets	7,888	11,109	15,861	22,179
Restructuring expense	(4,234)	(7,793)	(9,681)	(2,269)
Goodwill impairment	0	0	0	977
Total operating expenses	122,522	131,114	247,182	281,110
Operating income (loss)	(3,951)	31,927	9,588	36,466
Other income (expense)
Interest income	213	53	260	150
Interest expense	(3,855)	(2,913)	(6,537)	(5,822)
Other income (expense), net	(1,907)	(1,375)	(1,883)	(3,873)
Total other income (expense)	(5,549)	(4,235)	(8,160)	(9,545)
Income (loss) before income taxes	(9,500)	27,692	1,428	26,921
Income tax provision	(3,966)	(7,848)	(9,529)	(7,195)
Net income (loss)	(13,466)	19,844	(8,101)	19,726
Net income attributable to noncontrolling interests	732	585	1,187	721
Net income (loss) attributable to Itron, Inc.	$ (14,198)	$ 19,259	$ (9,288)	$ 19,005
Earnings (loss) per common share - Basic	$ (0.37)	$ 0.49	$ (0.24)	$ 0.48
Earnings (loss) per common share - Diluted	$ (0.37)	$ 0.49	$ (0.24)	$ 0.48
Weighted average common shares outstanding - Basic	38,434	39,356	38,438	39,296
Weighted average common shares outstanding - Diluted	38,434	39,544	38,438	39,528