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Financing Arrangements Tables
3 Months Ended
Apr. 30, 2018
Line of Credit Facility [Line Items]  
Schedule of Debt [Table Text Block] The unamortized debt issuance costs associated with this Credit Agreement were as follows:
 
Three Months Ended
 
April 30, 2018
 
January 31, 2018
Unamortized debt issuance costs(a)
$
215

 
$
242

(a) Unamortized debt issuance costs are reported as "Other assets" in the Consolidated Balance Sheets
Schedule of Line of Credit Facilities [Table Text Block] Letters of credit (LOC) issued and outstanding were as follows:
 
Three Months Ended
 
April 30, 2018
 
January 31, 2018
Letters of credit outstanding(a)
$
514

 
$
1,097

(a) All of these LOC are outstanding under the Credit Agreement except one LOC for$50 that is outstanding with Wells Fargo. Any draws required under the LOC would be settled with available cash or borrowings under the Credit Agreement.