Retirement Plans (Tables)

6 Months Ended

Jul. 31, 2017

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

The net periodic pension cost (income) for the Pension Plan, the VIP Plan, and the Non-Employee Directors Retirement Plan for the three and six months ended July 31, 2017 and 2016 were as follows (in thousands):

	Three Months Ended
	Pension Plan						VIP Plan				Non-Employee Directors Retirement Plan
	7/31/2017			7/31/2016			7/31/2017		7/31/2016		7/31/2017		7/31/2016
Service cost	$	—		$	—		$	—	$	—	$	—	$	—
Interest cost	304			296			89		90		9		3
Expected return on plan assets	(342		)	(284		)	—		—		—		—
Amortization of transition amount	—			—			—		—		—		—
Recognized (gain) loss due to Curtailments	—			—			—		—		—		—
Amortization of prior service cost	—			—			—		—		—		—
Recognized net actuarial (gain) loss	179			282			60		77		—		(29		)
Benefit cost	$	141		$	294		$	149	$	167	$	9	$	(26	)

	Six Months Ended
	Pension Plan						VIP Plan				Non-Employee Directors Retirement Plan
	7/31/2017			7/31/2016			7/31/2017		7/31/2016		7/31/2017		7/31/2016
Service cost	$	—		$	—		$	—	$	—	$	—	$	—
Interest cost	608			592			178		180		18		6
Expected return on plan assets	(684		)	(568		)	—		—		—		—
Amortization of transition amount	—			—			—		—		—		—
Recognized (gain) loss due to Curtailments	—			—			—		—		—		—
Amortization of prior service cost	—			—			—		—		—		—
Recognized net actuarial (gain) loss	358			564			120		154		—		(58		)
Benefit cost	$	282		$	588		$	298	$	334	$	18	$	(52	)