Lease Exit and Related Charges (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Changes To Accrued Loss On Excess Office Facilities [Abstract]

Schedule Of Accrued Loss On Excess Office Facilities

Changes to the accrued loss on excess office facilities (in thousands):

	Years Ended December 31,
	2017			2016			2015
Accrued loss, beginning of year	$	3,186		$	2,595		$	234
Additions and adjustments to the lease loss accrual, including sublease income estimate revision, and related asset write-downs	—			2,428			2,981
Less amounts paid, net of sublease income	(1,128		)	(1,837		)	(620		)
Accrued loss, end of year	2,058			3,186			2,595
Less current portion (included in Accrued and other current liabilities)	(341		)	(1,024		)	(822		)
Accrued loss, non-current portion (included in Other long term liabilities)	$	1,717		$	2,162		$	1,773