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Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of weighted average assumptions for the stock options and stock appreciation rights grants
The table below outlines the weighted average assumptions for these award grants:
Fiscal Year
2016
 
2015
 
2014
Risk-free interest rate
1.1
%
 
1.3
%
 
0.9
%
Expected term (in years)
3.0

 
3.2

 
3.4

Expected volatility
38.8
%
 
42.3
%
 
47.1
%
Expected dividend yield
%
 
%
 
%
Estimated fair value per stock option/stock appreciation right granted
$
11.25

 
$
12.74

 
$
38.88

Summary of stock options and stock appreciation rights activity
The following table summarizes stock option and stock appreciation rights activity:
Stock Options and Stock Appreciation Rights
Shares
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contractual
Term (Years)
 
Aggregate
Intrinsic
Value
 
in thousands
 
 
 
 
 
in thousands
Outstanding at December 28, 2013
678

 
$
76.15

 
6.2
 
$
31,794

Granted
94

 
111.90

 
 
 
 
Exercised
(91
)
 
39.20

 
 
 
6,391

Forfeited or expired
(18
)
 
120.77

 
 
 
 
Outstanding at January 3, 2015
663

 
85.08

 
5.6
 
20,751

Granted
1,496

 
41.16

 
 
 
 
Exercised
(36
)
 
31.04

 
 
 
1,544

Forfeited or expired
(95
)
 
102.86

 
 
 
 
Outstanding at January 2, 2016
2,028

 
52.80

 
8.7
 
2,095

Granted
326

 
41.53

 
 
 
 
Exercised
(10
)
 
26.93

 
 
 
186

Forfeited or expired
(57
)
 
81.93

 
 
 
 
Outstanding at December 31, 2016
2,287

 
50.58

 
6.2
 
627

Exercisable at December 31, 2016
988

 
$
62.75

 
5.2
 
$
627

Summary of stock options and stock appreciation rights outstanding and exercisable
The following table summarizes information with respect to stock options and stock appreciation rights outstanding and exercisable at December 31, 2016:
Stock Options Outstanding
 
Stock Options
Exercisable
Range of Exercise Prices
Number of
Shares
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contractual
Term (Years)
 
Number of
Shares
 
Weighted-
Average
Exercise
Price
 
in thousands
 
 
 
 
 
in thousands
 
 
$13.65 - $29.49
40

 
$
14.40

 
2.2
 
40

 
$
14.40

$29.78 - $47.99
90

 
36.36

 
2.0
 
90

 
36.36

$55.04 - $83.83
92

 
80.80

 
4.3
 
92

 
80.80

$95.91 - $131.46
144

 
127.98

 
4.8
 
144

 
127.98

Total
366

 
$
81.12

 
3.7
 
366

 
$
81.12

Stock Appreciation Rights Outstanding
 
Stock Appreciation
Rights Exercisable
Range of Exercise Prices
Number of
Shares
 
Weighted-Average
Exercise Price
 
Weighted-Average
Remaining
Contractual
Term (Years)
 
Number of
Shares
 
Weighted-
Average
Exercise
Price
 
in thousands
 
 
 
 
 
in thousands
 
 
$13.65 - $29.49
113

 
$
27.72

 
6.7
 
13

 
$
13.65

$29.78 - $47.99
1,561

 
38.11

 
7.0
 
455

 
36.76

$55.04 - $83.83
138

 
79.00

 
5.5
 
65

 
79.50

$95.91 - $131.46
109

 
114.42

 
4.5
 
89

 
115.01

Total
1,921

 
$
44.75

 
6.7
 
622

 
$
51.93

Summary of restricted stock and restricted stock unit activity
The following table summarizes restricted stock and restricted stock unit activity:
Restricted Stock and Restricted Stock Units
Number of
Shares
 
Weighted-Average
Grant Date Fair
Value Per Share
 
in thousands
 
 
Nonvested at December 28, 2013
219

 
$
99.27

Granted
164

 
110.95

Vested
(115
)
 
90.66

Forfeited
(13
)
 
108.76

Nonvested at January 3, 2015
255

 
$
110.17

Granted
1,131

 
49.16

Vested
(115
)
 
109.97

Forfeited
(63
)
 
94.54

Nonvested at January 2, 2016
1,208

 
$
53.87

Granted
588

 
27.94

Vested
(327
)
 
64.51

Forfeited
(64
)
 
56.29

Nonvested at December 31, 2016
1,405

 
$
40.41