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NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Jan. 31, 2016
NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Property and Equipment Estimated Useful Lives

 

                                                                                                                                                                                    

Buildings and improvements

 

5 - 45 years

Transportation equipment

 

5 - 7 years

Furniture, fixtures and equipment

 

3 - 10 years