Condensed Consolidated Statement Of Stockholder's Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance at Dec. 31, 2011	$ 109,840	$ 0	$ 398,011	$ (309,185)	$ 21,014
Balance, shares at Dec. 31, 2011	100	100
Increase (Decrease) in Stockholder's Equity [Roll Forward]
Amortization of stock-based compensation costs	519		519		0
Net income	17,105			17,105	0
Foreign currency translation adjustments	4,762				4,762
Unrealized loss on marketable securities, net of tax	(32)				(32)
Reclassification adjustment for realized gains on marketable securities included in earnings, net of tax	(230)				(230)
Balance at Sep. 30, 2012	$ 131,964	$ 0	$ 398,530	$ (292,080)	$ 25,514
Balance, shares at Sep. 30, 2012	100	100