Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net income (loss)	$ 25,572	$ 27,126
Foreign currency translation adjustments	28,541	100,447
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges	0	60
Net unrealized gain (loss) on nonderivative hedging instruments	0	(7,810)
Net hedging (gain) loss reclassified into net income (loss)	0	1,442
Pension plan benefit liability adjustment	23	(552)
Total other comprehensive income (loss), net of tax	28,564	93,587
Total comprehensive income (loss), net of tax	54,136	120,713
Net income attributable to noncontrolling interests	219	6
Foreign currency translation adjustments	0	372
Amounts attributable to noncontrolling interest	219	378
Comprehensive income (loss) attributable to Itron, Inc.	$ 53,917	$ 120,335