Retirement Plans (Tables)

3 Months Ended

Apr. 30, 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 months ended April 30, 2017 and 2016 were as follows (in thousands):

	Three Months Ended
	Pension Plan						VIP Plan				Non-Employee Directors Retirement Plan
	4/30/2017			4/30/2016			4/30/2017		4/30/2016		4/30/2017		4/30/2016
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			291			60		77		—		(29		)
Benefit cost	$	141		$	303		$	149	$	167	$	9	$	(26	)