XML 47 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Retirement plans Deferred compensation (Tables)
12 Months Ended
Jan. 31, 2015
Deferred compensation [Line Items]  
Deferred Compensation Arrangement with Individual Disclosure, Postretirement Benefits [Table Text Block]
Deferred compensation liability
2014

2013

Current
$189
$189
Long-term
6,560

6,509

Total
$6,749
$6,698
 
 
 
Deferred compensation expense
$619
$519