Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Services revenue	$ 76,885	$ 109,491	$ 362,199	$ 392,010
Product revenue, net	37,970	14,630	110,408	14,630
Total revenues	114,855	124,121	472,607	406,640
Cost of revenues:
Services cost of revenue	49,754	72,935	177,280	219,274
Product cost of revenue	25,605	10,622	73,771	10,622
Total cost of revenues	75,359	83,557	251,051	229,896
Engineering and technology	5,970	2,905	14,922	7,951
Sales and marketing	18,152	18,230	96,275	71,409
General and administrative	9,495	8,421	28,552	21,362
Depreciation	1,085	697	3,278	1,738
Amortization of intangible assets	6,118	4,184	17,463	10,521
Total operating expenses	116,179	117,994	411,541	342,877
Operating income (loss)	(1,324)	6,127	61,066	63,763
Other loss, net	(3,208)	(13,118)	(11,001)	(20,427)
Income (loss) before income taxes	(4,532)	(6,991)	50,065	43,336
Income tax benefit (expense)	2,294	510	(17,579)	(17,803)
Net income (loss)	(2,238)	(6,481)	32,486	25,533
Net income (loss) per share:
Basic, USD per share	$ (0.05)	$ (0.16)	$ 0.78	$ 0.62
Diluted, USD per share	$ (0.05)	$ (0.16)	$ 0.75	$ 0.60
Weighted average shares outstanding:
Basic, Shares	41,034	41,088	41,589	41,048
Diluted, Shares	41,034	41,088	43,303	42,878
Other comprehensive income (loss):
Net income (loss)	(2,238)	(6,481)	32,486	25,533
Unrealized gain (loss) on available-for-sale investments, net of tax	(1,917)	(23)	173	13
Unrealized gain on derivative instrument, net of tax	0	57	0	266
Reclassification adjustment for realized gain on available-for-sale investments, net of tax, included in net income	(4)	0	(4)	(1)
Other comprehensive income (loss)	(1,921)	34	169	278
Comprehensive income (loss)	$ (4,159)	$ (6,447)	$ 32,655	$ 25,811