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Stock-Based Compensation (Tables)
 9 Months Ended
Oct. 29, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
The following table summarizes our stock-based compensation activity for the nine months ended October 29, 2016:
 
Stock Options
Nonvested Stock Awards
Performance Share Units
 (Shares and Units in Thousands)
Shares
Weighted
Average
Exercise
Price
Shares
Weighted
Average Grant Date Fair Value
Units
Weighted
Average Grant Date Fair Value
Balance at beginning of period
3,076

$
52.65

2,211

$
57.37

347

$
67.53

Granted
—

—

1,342

46.26

12

67.48

Exercised/vested
(150
)
41.80

(835
)
56.19

—

—

Forfeited/expired
(298
)
55.07

(235
)
55.34

(32
)
67.98

Balance at end of period
2,628

$
53.00

2,483

$
51.95

327

$
67.49