Real Estate Charges

9 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Since 2010, we have sub-leased over one million square feet of office space. The activity in the liability account relating to our global space consolidation initiatives for the following periods is:



	Nine Months Ended September 30, 2018			Twelve Months Ended December 31, 2017
	(in thousands)
Balance as of beginning of period	$	113,635		$	112,932
Expense incurred	6,490			28,507
Deferred rent	—			7,083
Payments made	(32,868		)	(39,122		)
Interest accretion	3,284			4,235
Balance as of end of period	$	90,541		$	113,635