Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Revenues	$ 475,331	$ 519,574
Cost of revenues
Cost of revenues	340,107	352,530
Gross profit	135,224	167,044
Operating expenses
Sales, general and administrative	76,401	75,992
Research and development	49,596	51,727
Amortization of intangible assets	6,553	8,973
Restructuring	(6,366)	(1,980)
Loss on sale of business	2,221	1,392
Total operating expenses	128,405	136,104
Operating income	6,819	30,940
Other income (expense)
Interest income	217	542
Interest expense	(1,592)	(10,475)
Other income (expense), net	(689)	(2,766)
Total other income (expense)	(2,064)	(12,699)
Income before income taxes	4,755	18,241
Income tax provision	(3,859)	(4,661)
Net income	896	13,580
Net income (loss) attributable to noncontrolling interests	(10)	977
Net income attributable to Itron, Inc.	$ 906	$ 12,603
Earnings (loss) per common share - Basic (in dollars per share)	$ 0.02	$ 0.30
Earnings (loss) per common share - Diluted (in dollars per share)	$ 0.02	$ 0.30
Weighted average common shares outstanding - Basic (in shares)	45,018	41,526
Weighted average common shares outstanding - Diluted (in shares)	45,240	41,964
Product [Member]
Revenues
Revenues	$ 399,810	$ 442,804
Cost of revenues
Cost of revenues	294,820	307,691
Service [Member]
Revenues
Revenues	75,521	76,770
Cost of revenues
Cost of revenues	$ 45,287	$ 44,839