Retirement Plans (Tables)

9 Months Ended

Oct. 31, 2016

Compensation and Retirement Disclosure [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 and nine months ended October 31, 2016 and 2015 were as follows (in thousands):

	Three Months Ended
	Pension Plan						VIP Plan				Non-Employee Directors Retirement Plan
	10/31/2016			10/31/2015			10/31/2016		10/31/2015		10/31/2016			10/31/2015
Service cost	$	—		$	—		$	—	$	—	$	—		$	—
Interest cost	296			324			90		105		3			3
Expected return on plan assets	(284		)	(324		)	—		—		—			—
Amortization of transition amount	—			—			—		—		—			—
Recognized (gain) loss due to curtailments	—			—			—		—		—			—
Amortization of prior service cost	—			—			—		—		—			—
Recognized net actuarial (gain) loss	282			375			77		120		(29		)	—
Benefit cost	$	294		$	375		$	167	$	225	$	(26	)	$	3

	Nine months Ended
	Pension Plan						VIP Plan				Non-Employee Directors Retirement Plan
	10/31/2016			10/31/2015			10/31/2016		10/31/2015		10/31/2016			10/31/2015
Service cost	$	—		$	—		$	—	$	—	$	—		$	—
Interest cost	888			972			270		315		9			9
Expected return on plan assets	(852		)	(972		)	—		—		—			—
Amortization of transition amount	—			—			—		—		—			—
Recognized (gain) loss due to curtailments	—			—			—		—		—			—
Amortization of prior service cost	—			—			—		—		—			—
Recognized net actuarial (gain) loss	846			1,125			231		360		(87		)	—
Benefit cost	$	882		$	1,125		$	501	$	675	$	(78	)	$	9