Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Revenues	$ 541,070	$ 431,882	$ 1,035,688	$ 907,213
Cost of revenues
Cost of revenues	367,123	305,777	705,373	645,884
Gross profit	173,947	126,105	330,315	261,329
Operating expenses
Sales, general and administrative	79,079	72,877	154,600	149,278
Research and development	53,560	45,055	103,125	94,651
Amortization of intangible assets	4,722	6,485	9,770	13,038
Restructuring	874	(3,459)	37,483	(9,825)
Loss on sale of business	612	194	630	2,415
Goodwill impairment	0	38,480	0	38,480
Total operating expenses	138,847	159,632	305,608	288,037
Operating income (loss)	35,100	(33,527)	24,707	(26,708)
Other income (expense)
Interest income	1,508	349	3,326	566
Interest expense	(1,977)	(1,660)	(4,034)	(3,252)
Other income (expense), net	(333)	(1,386)	(1,808)	(2,075)
Total other income (expense)	(802)	(2,697)	(2,516)	(4,761)
Income (loss) before income taxes	34,298	(36,224)	22,191	(31,469)
Income tax provision	(9,195)	(641)	(9,125)	(4,500)
Net income (loss)	25,103	(36,865)	13,066	(35,969)
Net income attributable to noncontrolling interests	902	102	701	92
Net income (loss) attributable to Itron, Inc.	$ 24,201	$ (36,967)	$ 12,365	$ (36,061)
Earnings (loss) per common share - Basic (in dollars per share)	$ 0.53	$ (0.82)	$ 0.27	$ (0.80)
Earnings (loss) per common share - Diluted (in dollars per share)	$ 0.53	$ (0.82)	$ 0.27	$ (0.80)
Weighted average common shares outstanding - Basic (in shares)	45,435	45,066	45,358	45,042
Weighted average common shares outstanding - Diluted (in shares)	45,781	45,066	45,677	45,042
Product [Member]
Revenues
Revenues	$ 464,803	$ 359,898	$ 881,127	$ 759,708
Cost of revenues
Cost of revenues	322,288	265,278	619,631	560,098
Service [Member]
Revenues
Revenues	76,267	71,984	154,561	147,505
Cost of revenues
Cost of revenues	$ 44,835	$ 40,499	$ 85,742	$ 85,786