Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Service revenues	$ 23,323	$ 89,767	$ 43,403	$ 200,463
Product revenues	13,472	31,713	33,970	65,715
Total net revenues	36,795	121,480	77,373	266,178
Cost of services	38,817	68,341	84,351	140,412
Cost of products	8,113	14,911	18,945	30,684
Gross profit (loss)	(10,135)	38,228	(25,923)	95,082
Operating expenses:
Research, development and engineering	7,239	10,305	14,959	19,344
Marketing and sales	8,638	9,917	16,471	19,130
General, administrative and other operating expenses	14,677	14,221	30,025	33,152
Total operating expenses	30,554	34,443	61,455	71,626
Income (loss) from operations	(40,689)	3,785	(87,378)	23,456
Interest expense, net	(4,607)	(4,934)	(9,232)	(9,731)
Equity in losses of investments	0	(1,781)	0	(3,469)
Other income, net	101,600	6,066	98,381	74,592
Income before income taxes	56,304	3,136	1,771	84,848
Income tax expense	532	653	1,515	5,916
Net income	55,772	2,483	256	78,932
Net (income) loss attributable to noncontrolling interests	297	(1,295)	549	(1,765)
Net income attributable to ION	$ 56,069	$ 1,188	$ 805	$ 77,167
Net income per share:
Basic, in dollars per share	$ 0.34	$ 0.01	$ 0.00	$ 0.47
Diluted, in dollars per share	$ 0.34	$ 0.01	$ 0.00	$ 0.47
Weighted average number of common shares outstanding:
Basic, in shares	164,693	164,063	164,630	163,956
Diluted, in shares	164,712	164,423	164,651	164,243