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Share-Based Compensation (Tables)
 3 Months Ended
Apr. 30, 2016
Schedule of Stock Option Activity
The following table summarizes stock option activity for the thirteen weeks ended April 30, 2016:
 
Number of
Underlying
Shares
 
Weighted-Average
Exercise Price
 
Aggregate
Intrinsic Value
 
Weighted-Average
Remaining
Contractual Life
Outstanding at January 30, 2016
271,000

 
$
63.05

 
 
 
 
Granted
—

 
—

 
 
 
 
Exercised
(2,000
)
 
22.87

 
 
 
 
Forfeited or expired
(17,700
)
 
67.13

 
 
 
 
Outstanding at April 30, 2016
251,300

 
$
63.08

 
$
377,400

 
1.7
Stock options exercisable at April 30, 2016
251,300

 
$
63.08

 
$
377,400

 
1.7
Schedule of Stock Appreciation Rights Activity
The following table summarizes stock appreciation rights activity for the thirteen weeks ended April 30, 2016:
 
Number of
Underlying
Shares
 
Weighted-Average
Exercise Price
 
Aggregate
Intrinsic Value
 
Weighted-Average
Remaining
Contractual Life
Outstanding at January 30, 2016
5,301,115

 
$
45.02

 
 
 
 
Granted
—

 
—

 
 
 
 
Exercised
(9,533
)
 
22.46

 
 
 
 
Forfeited or expired
(44,121
)
 
30.08

 
 
 
 
Outstanding at April 30, 2016
5,247,461

 
$
45.23

 
$
2,783,085

 
3.3
Stock appreciation rights exercisable at April 30, 2016
4,522,532

 
$
48.05

 
$
536,048

 
2.5
Stock appreciation rights expected to become exercisable in the future as of April 30, 2016
636,179

 
$
28.00

 
$
1,886,958

 
8.6
Schedule of Restricted Stock Unit Activity
The following table summarizes activity for restricted stock units for the thirteen weeks ended April 30, 2016:
 
Service-based Restricted
Stock Units
 
Performance-based Restricted
Stock Units
 
Market-based Restricted
Stock Units
 
Number of 
Underlying
Shares
 
Weighted-
Average Grant
Date Fair Value
 
Number of 
Underlying
Shares
 
Weighted-
Average Grant
Date Fair Value
 
Number of 
Underlying
Shares
 
Weighted-
Average Grant
Date Fair Value
Unvested at January 30, 2016
1,671,597

 
$
28.13

 
185,500

 
$
23.42

 
117,711

 
$
25.00

Granted
725,483

 
29.56

 
94,217

 
29.31

 
94,224

 
38.22

Adjustments for performance achievement
—

 
—

 
—

 
—

 
—

 
—

Vested
(368,345
)
 
35.00

 
(31,875
)
 
36.11

 
—

 
—

Forfeited
(27,434
)
 
30.60

 
(3,458
)
 
25.34

 
(2,334
)
 
19.04

Unvested at April 30, 2016
2,001,301

 
$
27.37

 
244,384

 
$
24.01

 
209,601

 
$
31.01
Market-based restricted stock units [Member]  
Schedule of Weighted-Average Estimated Fair Value and Assumptions of Restricted Stock Units with Market Vesting Conditions
The weighted-average assumptions used for market-based restricted stock units in the Monte Carlo simulation during the thirteen weeks ended April 30, 2016 and May 2, 2015 were as follows:
 
April 30, 2016
 
May 2, 2015
Grant date market price
$
31.67

 
$
22.46

Fair value
$
38.22

 
$
19.04

Assumptions:
 
 
 
Price volatility
44
%
 
45
%
Expected term (years)
2.8

 
2.8

Risk-free interest rate
1.1
%
 
0.9
%
Dividend yield
2.5
%
 
3.5
%
Average volatility of peer companies
34.4
%
 
34.0
%
Average correlation coefficient of peer companies
0.3382

 
0.3288