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Commitments and Contingencies Commitments Disclosures (Tables)
 12 Months Ended
Jan. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Unrecorded Unconditional Purchase Obligations Disclosure

In addition to commitments disclosed elsewhere in the Notes to the Consolidated Financial Statements, the Company has the following obligations and commitments at January 31, 2017:
 
 
Total
 
2018
 
2019 - 2020
 
2021 - 2022
 
2023 and After
Unconditional purchase obligations
 
$
31,976

 
$
31,976

 
$
—

 
$
—

 
$
—

Postretirement benefits(a)
 
18,698

 
362

 
737

 
757

 
16,842

Credit facility(b)
 
699

 
212

 
424

 
63

 
—

 
 
$
51,373

 
$
32,550

 
$
1,161

 
$
820

 
$
16,842

(a) Postretirement benefit amounts represent expected payments on the accumulated postretirement benefit obligation before it is discounted.
(b) Amounts reflect administrative and unborrowed capacity fees under the credit facility described below.