Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Revenues	$ 560,772	$ 420,860	$ 1,596,460	$ 1,328,073
Cost of revenues
Cost of revenues	373,569	300,798	1,078,942	946,682
Gross profit	187,203	120,062	517,518	381,391
Operating expenses
Sales, general and administrative	76,576	63,446	231,176	212,724
Research and development	51,644	43,820	154,769	138,471
Amortization of intangible assets	4,663	6,413	14,433	19,451
Restructuring	(615)	(1,272)	36,868	(11,097)
Loss on sale of business	45	767	675	3,182
Goodwill impairment	0	0	0	38,480
Total operating expenses	132,313	113,174	437,921	401,211
Operating income (loss)	54,890	6,888	79,597	(19,820)
Other income (expense)
Interest income	2,642	801	5,968	1,367
Interest expense	(2,445)	(1,679)	(6,479)	(4,931)
Other income (expense), net	646	(1,065)	(1,162)	(3,140)
Total other income (expense)	843	(1,943)	(1,673)	(6,704)
Income (loss) before income taxes	55,733	4,945	77,924	(26,524)
Income tax provision	(15,388)	(473)	(24,513)	(4,973)
Net income (loss)	40,345	4,472	53,411	(31,497)
Net income attributable to noncontrolling interests	173	355	874	447
Net income (loss) attributable to Itron, Inc.	$ 40,172	$ 4,117	$ 52,537	$ (31,944)
Earnings (loss) per common share - Basic (in dollars per share)	$ 0.88	$ 0.09	$ 1.16	$ (0.71)
Earnings (loss) per common share - Diluted (in dollars per share)	$ 0.87	$ 0.09	$ 1.15	$ (0.71)
Weighted average common shares outstanding - Basic (in shares)	45,462	45,139	45,393	45,075
Weighted average common shares outstanding - Diluted (in shares)	45,950	45,330	45,768	45,075
Product [Member]
Revenues
Revenues	$ 480,355	$ 347,791	$ 1,361,482	$ 1,107,499
Cost of revenues
Cost of revenues	332,035	258,541	951,666	818,639
Service [Member]
Revenues
Revenues	80,417	73,069	234,978	220,574
Cost of revenues
Cost of revenues	$ 41,534	$ 42,257	$ 127,276	$ 128,043