Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 299,852	$ 142,739
Fees receivable, net of allowances of $6,400 and $7,260 respectively	463,968	421,033
Deferred commissions	87,933	78,492
Prepaid expenses and other current assets	75,713	63,521
Total current assets	927,466	705,785
Property, equipment and leasehold improvements, net	89,089	68,132
Goodwill	519,506	508,550
Intangible assets, net	11,821	7,060
Other assets	73,395	90,345
Total Assets	1,621,277	1,379,872
Current liabilities:
Accounts payable and accrued liabilities	287,763	259,490
Deferred revenues	692,237	611,647
Current portion of long-term debt	90,000	50,000
Total current liabilities	1,070,000	921,137
Long-term debt	115,000	150,000
Other liabilities	129,604	126,951
Total liabilities	1,314,604	1,198,088
Common stock:
$.0005 par value, authorized 250,000,000 shares for both periods; 156,234,415 shares issued for both periods	78	78
Additional paid-in capital	679,871	646,815
Accumulated other comprehensive income, net	5,968	5,793
Accumulated earnings	908,482	742,579
Treasury stock, at cost, 62,873,100 and 62,891,251 common shares, respectively	(1,287,726)	(1,213,481)
Total stockholders’ equity	306,673	181,784
Total Liabilities and Stockholders’ Equity	$ 1,621,277	$ 1,379,872