CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 86,945	$ 148,185
Accounts receivable, net of allowance for doubtful accounts of $4,292 and $3,925, respectively	298,823	335,905
Prepaid and other	73,801	73,861
Current assets of discontinued operations		21,702
Total current assets	459,569	579,653
Goodwill	891,623	887,271
Property and equipment, net	128,409	147,613
Intangibles, net	24,219	32,583
Other assets	40,110	37,745
Total assets	1,543,930	1,684,865
Current liabilities:
Accounts payable, accrued expenses and other	151,778	181,914
Deferred revenue	315,645	351,546
Current portion of long-term debt and borrowings on revolving credit facilities	8,750	18,264
Current liabilities of discontinued operations	2,137	33,256
Total current liabilities	478,310	584,980
Long-term income taxes payable	51,298	63,465
Long-term debt, less current portion	180,200	145,975
Other long-term liabilities	5,752	10,406
Total liabilities	715,560	804,826
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value, authorized 800 shares; issued and outstanding: none
Additional paid-in capital	1,310,938	1,357,126
Accumulated deficit	(544,756)	(564,389)
Accumulated other comprehensive income	62,046	87,162
Total stockholders' equity	828,370	880,039
Total liabilities and stockholders' equity	1,543,930	1,684,865
Common Stock
Stockholders' equity:
Common stock	142	140
Common Class B
Stockholders' equity:
Common stock