Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Product revenues	$ 515,914	$ 454,713	$ 1,053,024	$ 887,078
Service revenues	69,976	48,369	140,087	93,596
Revenues	585,890	503,082	1,193,111	980,674
Cost of revenues
Product cost of revenues	366,542	293,433	749,392	580,526
Service cost of revenues	42,771	31,372	87,287	64,234
Cost of revenues	409,313	324,805	836,679	644,760
Gross profit	176,577	178,277	356,432	335,914
Operating expenses
Sales and marketing	45,448	44,514	97,369	85,769
Product development	54,775	43,024	115,059	83,791
General and administrative	43,415	43,098	145,908	80,285
Amortization of intangible assets	17,999	4,970	35,739	9,519
Restructuring	(5,623)	5,043	82,242	8,095
Total operating expenses	156,014	140,649	476,317	267,459
Operating income (loss)	20,563	37,628	(119,885)	68,455
Other income (expense)
Interest income	633	470	1,294	739
Interest expense	(14,645)	(3,411)	(30,149)	(6,610)
Other income (expense), net	1,003	(3,120)	(164)	(5,956)
Total other income (expense)	(13,009)	(6,061)	(29,019)	(11,827)
Income (loss) before income taxes	7,554	31,567	(148,904)	56,628
Income tax benefit (provision)	(3,781)	(16,560)	7,407	(25,607)
Net income (loss)	3,773	15,007	(141,497)	31,021
Net income attributable to noncontrolling interests	1,116	910	1,512	1,079
Net income (loss) attributable to Itron, Inc.	$ 2,657	$ 14,097	$ (143,009)	$ 29,942
Earnings (loss) per common share - Basic (in dollars per share)	$ 0.07	$ 0.36	$ (3.66)	$ 0.78
Earnings (loss) per common share - Diluted (in dollars per share)	$ 0.07	$ 0.36	$ (3.66)	$ 0.76
Weighted average common shares outstanding - Basic (in shares)	39,243	38,683	39,095	38,579
Weighted average common shares outstanding - Diluted (in shares)	39,789	39,332	39,095	39,274