Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2016

Retirement Plans [Abstract]

Schedule Of Expenses For Retirement, Profit-Sharing Plans, Excess Benefit Plans And Other Similar Plans

Three months ended September 30,				Nine months ended September 30,
2016		2015		2016		2015
$	4,423	$	458	$	10,809	$	7,636