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STOCK-BASED COMPENSATION - Performance Share Awards – Peer Group Market Condition Vesting (Details) - Peer Group Market Condition Vesting - USD ($)
9 Months Ended
Aug. 04, 2017
Feb. 03, 2017
Sep. 30, 2017
Equity Award Agreements      
Award agreements      
Period after change of control for equity award to fully vest upon termination of employment without cause or resignation 24 months    
Performance Shares      
Stock-based compensation      
Performance period     3 years
Shares      
Granted (in shares)   12,635 12,635
Outstanding (in shares)     12,635
Weighted Average Fair Value      
Granted (in dollars per share     $ 55.66
Outstanding (in dollars per share)     $ 55.66
Compensation cost      
Unrecognized compensation cost     $ 527,000
Weighted average period of recognition of unrecognized compensation cost     2 years 3 months 18 days
Performance Shares | Minimum      
Stock-based compensation      
Vesting percentage   0.00%  
Performance Shares | Maximum      
Stock-based compensation      
Vesting percentage   150.00%