Retirement Plans (Tables)

9 Months Ended

Nov. 30, 2017

Defined Benefit Plan [Abstract]

Components Of Net Pension Expense

Net Pension Expense

	Three Months Ended November 30
	Pension Plan				Restoration Plan				Total
(In thousands)	2017		2016		2017		2016		2017		2016
Net pension expense	$	51	$	82	$	117	$	120	$	168	$	202

	Nine Months Ended November 30
	Pension Plan				Restoration Plan				Total
(In thousands)	2017		2016		2017		2016		2017		2016
Net pension expense	$	155	$	248	$	351	$	360	$	506	$	608