Retirement Benefits (Tables)
 12 Months Ended
Jan. 31, 2015
Retirement Benefits [Abstract]  
Schedule of Changes in Cash Balance Liability
The annual activity for the Company's Non-Qualified Plan, was as follows:
 
 
January 31, 2015
 
February 1, 2014
 
 (in thousands)
Balance, beginning of period
$
25,753

 
$
24,089

Contributions:
 
 
 
    Employee
1,273

 
1,460

    Company
836

 
1,758

Interest
1,387

 
1,307

Distributions
(1,904
)
 
(2,861
)
Forfeitures
(89
)
 
—

Balance, end of period
$
27,256

 
$
25,753