Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010 As Restated [Member]
Current Assets:
Cash and cash equivalents	$ 285,512	$ 171,618	[1]
Restricted cash - current portion	8,733	34,126	[1]
Accounts receivable, net	114,778	111,042	[1]
Deferred tax assets—current portion	32,063	50,816	[1]
Prepaid expenses and other current assets	24,584	25,615	[1]
Total current assets	465,670	393,217	[1]
Non-Current Assets:
Restricted cash - long term portion	652	728	[1]
Property and equipment, net	52,541	47,447	[1]
Goodwill	231,377	231,377	[1]
Other intangibles, net	141,882	187,398	[1]
Deferred tax assets—long-term portion	258,271	255,063	[1]
Other non-current assets	20,565	16,712	[1]
Total non-current assets	705,288	738,725	[1]
Total Assets	1,170,958	1,131,942	[1]
Current Liabilities:
Accounts payable	7,740	21,092	[1]
Accrued expenses and other liabilities	73,111	88,028	[1]
Deferred revenue—current portion	108,217	115,904	[1]
Total current liabilities	189,068	225,024	[1]
Non-Current Liabilities:
Long-term debt	273,210	272,695	[1]
Accrued exit and disposal obligations	3,926	7,360	[1]
Liability for uncertain tax positions	4,098	6,873	[1]
Deferred revenue—long-term portion	8,115	15,475	[1]
Other non-current liabilities	1,368	284	[1]
Total non-current liabilities	290,717	302,687	[1]
Total Liabilities	479,785	527,711	[1]
Commitments and Contigencies (Notes 11 and 12)			[1]
Stockholders’ Equity:
Preferred stock, $.01 par value; 2,000 shares authorized; none issued and outstanding	0	0	[1]
Common stock, $.01 par value; 100,000 shares authorized; 44,870 and 43,896 shares issued, respectively	449	439	[1]
Additional paid-in capital	571,593	551,174	[1]
Retained earnings	154,551	71,863	[1]
Accumulated other comprehensive (loss) income	(2,454)	7,976	[1]
Less treasury stock, at cost, 2,168 and 1,970 shares, respectively	(32,966)	(27,221)	[1]
Total stockholders’ equity	691,173	604,231	[1]
Total liabilities and stockholders’ equity	$ 1,170,958	$ 1,131,942	[1]

[1] As restated - See Note 23 “Restatement of Previously Issued Financial Statements” of Notes to Consolidated Financial Statements.