ACCOUNTS PAYABLE, ACCRUED, AND OTHER LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2011

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consist of the following (in thousands):

	December 31,
	2011		2010
Accounts payable	$	27,573	$	17,791
Payroll, employee benefits, severance		66,110		62,882
Bonus payable		62,191		64,620
Commissions payable		42,328		41,503
Taxes payable		15,917		15,030
Rent and other facilities costs		5,046		7,108
Professional, consulting, audit fees		6,907		11,987
Events fulfillment liabilities		2,255		4,367
Other accrued liabilities		31,163		22,445
Total accounts payable and accrued liabilities	$	259,490	$	247,733

Other Liabilities

Other liabilities consist of the following (in thousands):

	December 31,
	2011		2010
Non-current deferred revenue	$	4,572	$	4,659
Interest rate swap liabilities		9,891		2,101
Long-term taxes payable		20,141		18,193
Deferred rent (1)		21,046		23,813
Benefit plan-related liabilities		47,326		44,939
Other		23,975		13,745
Total other liabilities	$	126,951	$	107,450

(1) Represents unamortized deferred rent resulting from the $25.0 million tenant improvement allowance on the Company’s Stamford headquarters facility (see Property, equipment and leasehold improvements in Note 1 — Business and Significant Accounting Policies for additional description).