Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Accounts Payable and Accrued Expenses

Summary of accounts payable and accrued expenses

        The following is a summary of accounts payable and accrued expenses at December 31 (dollars in thousands):

	2015		2014
Accrued research payables	$	46,274	$	56,736
Accrued compensation and benefits		49,441		62,271
Accrued rent		16,744		19,169
Trade payables		17,817		19,547
Deferred revenue		9,760		13,836
Deferred compensation		3,027		3,918
Accrued restructuring		1,254		2,224
Accrued transaction processing		2,390		2,981
Other		22,823		18,529
Total	$	169,530	$	199,211