Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2011

Accounts Payable and Accrued Expenses

Summary of accounts payable and accrued expenses

	September 30, 2011		December 31, 2010
Accrued research payables	$	55,808	$	41,569
Accrued compensation and benefits	40,517		63,423
Trade payables	23,203		24,235
Deferred revenue	16,247		15,852
Deferred compensation	8,076		16,531
Accrued restructuring	7,595		3,196
Accrued transaction processing	3,583		3,336
Acquisition payment obligation	500		9,314
Other	24,470		17,653
Total	$	179,999	$	195,109