XML 39 R25.htm IDEA: XBRL DOCUMENT v3.6.0.2
Share Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
Share-based Compensation [Abstract]  
Key assumptions in fair value determination
The ranges of key assumptions used in determining the fair value of options granted during fiscal 2016, 2015 and 2014, as well as a summary of the methodology applied to develop each assumption, are as follows:
 
Fiscal Year
 
2016
 
2015
 
2014
Expected price volatility
25.5 - 27.9%

 
27.3 – 28.8%
 
28.0 – 29.3%
Risk-free interest rate
0.9 - 1.3%

 
1.2 – 1.5%
 
1.1 – 1.3%
Weighted average expected lives (in years)
4.4

 
4.5
 
4.5
Forfeiture rate
7.1
%
 
6.9%
 
6.9%
Dividend yield
0.9
%
 
1.0%
 
0.8%
Summary of stock option activity
A summary of stock option activity is as follows:
 
Options
 
Weighted
Average Exercise
Price
 
Weighted Average Fair Value
 
Weighted Average
Remaining
Contractual Term
 
Aggregate Intrinsic Value
(in thousands)
Outstanding December 28, 2013
4,309,048

 
$
30.72

 
 

 
7.1
 
$
193,123

Granted
1,167,060

 
64.08

 
$
15.36

 
 
 
 
Exercised
(1,179,175
)
 
20.15

 
 

 
 
 
 

Canceled
(213,507
)
 
57.14

 
 

 
 
 
 

 
 
 
 
 
 
 
 
 
 
Outstanding December 27, 2014
4,083,426

 
$
41.93

 
 

 
7.2
 
$
146,967

Granted
1,080,490

 
83.70

 
$
19.53

 
 
 
 
Exercised
(1,116,828
)
 
33.11

 
 
 
 
 
 
Canceled
(185,582
)
 
67.28

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding December 26, 2015
3,861,506

 
$
54.95

 
 
 
7.1
 
$
119,050

Granted
1,150,941

 
86.05

 
$
19.27

 
 
 
 
Exercised
(851,118
)
 
42.53

 
 
 
 
 
 
Canceled
(187,582
)
 
80.01

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding December 31, 2016
3,973,747

 
$
65.43

 
 
 
6.9
 
$
59,601

 
 
 
 
 
 
 
 
 
 
Exercisable at December 31, 2016
2,011,529

 
$
48.98

 
 
 
5.5
 
$
56,198
Other information relative to option activity
Other information relative to option activity during fiscal 2016, 2015 and 2014 is as follows (in thousands):
 
2016
 
2015
 
2014
Total fair value of stock options vested
$
15,184

 
$
13,207

 
$
10,855

Total intrinsic value of stock options exercised
$
39,696

 
$
60,082

 
$
60,656
Restricted stock units activity
The status of restricted stock units is presented below:
Restricted Stock Units
 
Shares
 
Weighted Average Grant Date Fair Value
Restricted at December 28, 2013
 
413,158

 
$
26.12

Granted
 
97,817

 
70.09

Exercised
 
(212,156
)
 
21.91

Forfeited
 
(21,472
)
 
54.54

 
 
 
 
 
Restricted at December 27, 2014
 
277,347

 
$
42.64

Granted
 
56,052

 
84.86

Exercised
 
(107,548
)
 
25.97

Forfeited
 
(6,234
)
 
63.57

 
 
 
 
 
Restricted at December 26, 2015
 
219,617

 
$
60.99

Granted
 
59,586

 
83.22

Exercised
 
(58,503
)
 
52.51

Forfeited
 
(26,669
)
 
76.51

 
 
 
 
 
Restricted at December 31, 2016
 
194,031

 
$
68.04
Other information relative to restricted unit activity
Other information relative to restricted stock unit activity during fiscal 2016, 2015 and 2014 is as follows (in thousands):
 
2016
 
2015
 
2014
Total grant date fair value of restricted stock units vested and issued
$
3,072

 
$
2,793

 
$
4,647

Total intrinsic value of restricted stock units vested and issued
$
5,104

 
$
9,139

 
$
13,205