Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income (loss)	$ (21,550)	$ (144,590)	$ 110,224
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(90,333)	7,077	21,382
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges	(566)	2	(1,689)
Net hedging loss (gain) reclassified into net income (loss)	1,054	431	0
Pension plan benefit liability adjustment	(24,947)	5,117	(16,940)
Total other comprehensive income (loss), net of tax	(114,792)	12,627	2,753
Total comprehensive income (loss), net of tax	(136,342)	(131,963)	112,977
Comprehensive income (loss) attributable to noncontrolling interest, net of tax:
Net income attributable to noncontrolling interests	1,370	2,219	1,949
Foreign currency translation adjustments	0	(35)	(23)
Amounts attributable to noncontrolling interests	1,370	2,184	1,926
Comprehensive income (loss) attributable to Itron, Inc.	$ (137,712)	$ (134,147)	$ 111,051