Other Income - Net (Tables)

9 Months Ended

Sep. 30, 2017

Other Income - Net [Abstract]

Schedule Of Other Income - Net

	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
Market value adjustment on assets held in
deferred compensation trust	$	1,417	$	1,656	$	5,619	$	1,857
Loss on disposal of property and equipment		(146)		(134)		(481)		(224)
Interest income		51		119		297		301
Other - net		1		(1)		4		(1)
Total other income - net	$	1,323	$	1,640	$	5,439	$	1,933