Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2014

Accounts Payable and Accrued Expenses

Summary of accounts payable and accrued expenses

The following is a summary of accounts payable and accrued expenses (dollars in thousands):

	March 31, 2014		December 31, 2013
Accrued research payables	$	60,708	$	52,015
Accrued compensation and benefits	22,145		47,622
Accrued rent	19,701		19,938
Trade payables	19,014		15,222
Deferred revenue	13,468		12,533
Accrued restructuring	3,406		3,768
Deferred compensation	4,395		4,552
Accrued transaction processing	2,666		2,972
Other	16,551		17,309
Total	$	162,054	$	175,931