Comprehensive Net Income (Loss)

9 Months Ended

Sep. 30, 2011

Cumulative Convertible Preferred Stock and Comprehensive Net Income (Loss) [Abstract]

Comprehensive Net Income (Loss)

(9) Comprehensive Net Income (Loss)

     The components of comprehensive net income (loss) are as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2011			2010			2011			2010
Net income (loss)	$	9,018		$	12,209		$	12,320		$	(57,222	)
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments (ION)		(2,107	)		3,816			1,130			2,086
Foreign currency translation adjustments (noncontrolling interest)		32			—			21			—
Change in fair value of effective cash flow hedges (net of taxes)		(184	)		(131	)		(332	)		(131	)
Equity interest in INOVA Geophysical’s other comprehensive income		(17	)		(937	)		1,565			(937	)
Unrealized loss on available-for-sale securities		(1,412	)		(365	)		(1,918	)		(7,717	)
Total other comprehensive income (loss)		(3,688	)		2,383			466			(6,699	)
Comprehensive net income (loss)		5,330			14,592			12,786			(63,921	)
Comprehensive income attributable to noncontrolling interest		34			—			103			—
Comprehensive net income (loss) attributable to ION	$	5,364		$	14,592		$	12,889		$	(63,921	)