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Retirement Plans (Tables)
 9 Months Ended
Oct. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Net periodic pension costs (income)
The net periodic pension cost (income) for the Pension Plan, the VIP Plan, and the Non-Employee Directors Retirement Plan for the three and nine months ended October 31, 2013 and 2012 were as follows (in thousands):
 
 
Three Months Ended October 31,
 
 
 
 
 
 
 
 
 
Non-Employee Directors
 
Pension Plan
 
VIP Retirement Plan
 
Retirement Plan
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
Service cost
$
—

 
$
—

 
$
—

 
$
—

 
$
—

 
$
—

Interest cost
322

 
325

 
83

 
88

 
4

 
5

Expected return on plan assets
(276
)
 
(245
)
 
—

 
—

 
—

 
—

Amortization of prior service cost
—

 
—

 
—

 
—

 
—

 
—

Pension settlement
800

 
—

 
—

 
—

 
—

 
—

Recognized net actuarial loss or (gain)
350

 
360

 
55

 
51

 
(3
)
 
—

Net periodic pension cost (income)
$
1,196

 
$
440

 
$
138

 
$
139

 
$
1

 
$
5


 
Nine Months Ended October 31,
 
 
 
 
 
 
 
 
 
Non-Employee Directors
 
Pension Plan
 
VIP Retirement Plan
 
Retirement Plan
 
2013
 
2012
 
2013
 
2012
 
2013
 
2012
Service cost
$
—

 
$
—

 
$
—

 
$
—

 
$
—

 
$
—

Interest cost
966

 
975

 
249

 
264

 
12

 
15

Expected return on plan assets
(828
)
 
(735
)
 
—

 
—

 
—

 
—

Amortization of prior service cost
—

 
—

 
—

 
—

 
—

 
—

Pension settlement
800

 
—

 
—

 
—

 
—

 
—

Recognized net actuarial loss or (gain)
1,050

 
1,080

 
165

 
153

 
(9
)
 
—

Net periodic pension cost (income)
$
1,988

 
$
1,320

 
$
414

 
$
417

 
$
3

 
$
15