Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets, Current [Abstract]
Cash and cash equivalents	$ 127,880	$ 133,565
Accounts receivable, net	374,180	351,506
Inventories	203,634	163,049
Other current assets	93,266	84,346
Total current assets	798,960	732,466
Property, plant, and equipment, net	186,506	176,458
Deferred tax assets, net	96,062	94,113
Other long-term assets	52,881	50,129
Intangible assets, net	104,144	72,151
Goodwill	541,071	452,494
Total assets	1,779,624	1,577,811
Liabilities, Current [Abstract]
Accounts payable	208,379	172,711
Other current liabilities	60,124	43,625
Wages and benefits payable	99,318	82,346
Taxes payable	15,395	10,451
Current portion of debt	16,875	14,063
Current portion of warranty	25,584	24,874
Unearned revenue	79,112	64,976
Total current liabilities	504,787	413,046
Long-term debt	307,484	290,460
Long-term warranty	14,226	18,428
Pension benefit obligation	93,263	84,498
Deferred tax liabilities, net	3,350	3,073
Other long-term obligations	113,017	117,953
Total liabilities	1,036,127	927,458
Commitments and contingencies (Note 11)
Equity
Preferred stock, no par value, 10 million shares authorized, no shares issued or outstanding	0	0
Common stock, no par value, 75 million shares authorized, 38,701 and 38,317 shares issued and outstanding	1,282,085	1,270,467
Accumulated other comprehensive loss, net	(193,209)	(229,327)
Accumulated deficit	(365,229)	(409,536)
Total Itron, Inc. shareholders' equity	723,647	631,604
Noncontrolling interests	19,850	18,749
Total equity	743,497	650,353
Total liabilities and equity	$ 1,779,624	$ 1,577,811