XML 82 R70.htm IDEA: XBRL DOCUMENT v3.7.0.1
ABL CREDIT FACILITY (Details) - Letter of credit
Jan. 31, 2017
USD ($)
Line of Credit Facility [Line Items]  
Letters of credit collateralized by the credit facility $ 71,300,000
Revolving credit facility  
Line of Credit Facility [Line Items]  
Line of credit outstanding $ 0