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Stock Based Compensation (Tables)
9 Months Ended
Oct. 31, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Rollforward of Outstanding Nonvested Stock Units

The following table sets forth the rollforward of outstanding nonvested stock units:

 

39 Weeks Ended

 

 

October 31, 2015

 

Nonvested stock units at January 31, 2015

 

887,853

 

Grants

 

27,668

 

Forfeitures

 

3,874

 

Vested

 

301,694

 

Nonvested stock units at October 31, 2015

 

609,953