Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			1 Months Ended	3 Months Ended			3 Months Ended		3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011	Jun. 30, 2011 Worldwide Digital Business, a reporting unit	Mar. 31, 2012 Worldwide Digital Business, a reporting unit	Mar. 31, 2011 Worldwide Digital Business, a reporting unit	Jun. 02, 2011 Worldwide Digital Business, a reporting unit	Mar. 31, 2011 New Zealand Business	Oct. 03, 2011 New Zealand Business	Mar. 31, 2012 Italian Business	Mar. 31, 2011 Italian Business	Dec. 31, 2011 Italian Business
Discontinued operation disclosures
Proceeds from divestiture of business				$ 395,400
Initial purchase price							380,000		10,000
Preliminary working capital adjustment							15,400
Transaction costs					7,387
Unpaid portion of transaction cost					449
Inducements paid to Autonomy					11,075
Unpaid portion of inducements					6,000
Cash Paid for Business acquired	8,818
Summarized results of operations
Total Revenues						46,678		1,983		2,138	4,283
(Loss) Income Before (Benefit) Provision for Income Taxes of Discontinued Operations					755	(3,586)		(72)		(6,124)	(4,094)
(Benefit) Provision for Income Taxes					291	(1,116)				(567)	(79)
(Loss) Income from Discontinued Operations, Net of Tax	(5,093)	(6,557)			464	(2,470)		(72)		(5,557)	(4,015)
Interest allocated to the Digital Business and included in loss from discontinued operations						1,418
Maximum percentage of direct cash inflows and outflows for the one year period subsequent to the sale of business				5.00%
Carrying amounts of the major classes of assets and liabilities of discontinued operations
Accounts receivable, net										4,731		4,676
Prepaid expenses and other	110,654		105,537							611		602
Current assets of discontinued operations	7,294		7,256							5,342		5,278
Other assets, net										1,952		1,978
Non-current assets of discontinued operations										1,952		1,978
Assets of discontinued operations										7,294		7,256
Current portion of long-term debt	63,229		73,320							102		118
Accounts payable										2,216		563
Accrued expenses										5,372		2,552
Deferred revenue										144		41
Current liabilities of discontinued operations	7,859		3,317							7,834		3,274
Other long-term liabilities										25		43
Non-current liabilities of discontinued operations										25		43
Liabilities of discontinued operations										$ 7,859		$ 3,317