Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Revenues	$ 540,184	$ 624,474	$ 1,648,193	$ 1,874,087
Cost of revenues
Cost of revenues	396,933	428,070	1,194,859	1,299,206
Gross profit	143,251	196,404	453,334	574,881
Operating expenses
Sales, general and administrative	64,982	83,666	215,018	264,640
Research and development	46,224	50,612	148,999	150,551
Amortization of intangible assets	11,183	16,095	33,488	48,185
Restructuring	44,462	6,592	41,531	7,685
Total operating expenses	167,231	156,965	496,331	471,061
Operating income (loss)	(23,980)	39,439	(42,997)	103,820
Other income (expense)
Interest income	354	517	2,165	1,379
Interest expense	(10,810)	(12,868)	(33,771)	(39,899)
Other income (expense), net	(2,607)	(2,759)	(3,414)	(6,463)
Total other income (expense)	(13,063)	(15,110)	(35,020)	(44,983)
Income (loss) before income taxes	(37,043)	24,329	(78,017)	58,837
Income tax benefit (provision)	11,985	(6,152)	(366)	(20,692)
Net income (loss)	(25,058)	18,177	(78,383)	38,145
Net income attributable to noncontrolling interests	299	1,330	1,092	3,759
Net income (loss) attributable to Itron, Inc.	$ (25,357)	$ 16,847	$ (79,475)	$ 34,386
Earnings (loss) per common share - Basic (in dollars per share)	$ (0.63)	$ 0.43	$ (1.98)	$ 0.87
Earnings (loss) per common share - Diluted (in dollars per share)	$ (0.63)	$ 0.42	$ (1.98)	$ 0.86
Weighted average common shares outstanding - Basic (in shares)	40,337	39,478	40,199	39,508
Weighted average common shares outstanding - Diluted (in shares)	40,337	39,903	40,199	39,884
Gain (Loss) on Disposition of Other Assets	$ 380	$ 0	$ 57,295	$ 0
Product [Member]
Revenues
Revenues	470,658	552,897	1,437,780	1,663,794
Cost of revenues
Cost of revenues	358,297	389,778	1,072,271	1,176,913
Service [Member]
Revenues
Revenues	69,526	71,577	210,413	210,293
Cost of revenues
Cost of revenues	$ 38,636	$ 38,292	$ 122,588	$ 122,293