Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2011

Accounts Payable and Accrued Expenses

Summary of accounts payable and accrued expenses

	2011		2010
Accrued research payables	$	50,721	$	41,569
Accrued compensation and benefits		50,666		63,423
Trade payables		17,790		24,235
Deferred revenue		15,493		15,852
Accrued restructuring		11,708		3,196
Deferred compensation		7,579		16,531
Accrued transaction processing		2,986		3,336
Acquisition payment obligation		—		9,314
Other		24,281		17,653
Total	$	181,224	$	195,109