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Stock Transactions And Stock-Based Compensation (Tables)
6 Months Ended
Jun. 28, 2013
Share-based Compensation [Abstract]  
Assumptions Used In The Black-Scholes Model To Value Options Granted
The following summarizes the assumptions used in the Black-Scholes model to value options granted during the six months ended June 28, 2013:
 
Risk-free interest rate
0.98 – 1.68%
Weighted average volatility
21.9%
Dividend yield
0.2%
Expected years until exercise
6.0 to 8.5
Components Of Stock-Based Compensation Program
The following table summarizes the components of the Company’s stock-based compensation program recorded as expense ($ in millions):
 
 
Three Months Ended
 
Six Months Ended
 
June 28, 2013
 
June 29, 2012
 
June 28, 2013
 
June 29, 2012
RSUs and restricted shares:
 
 
 
 
 
 
 
Pre-tax compensation expense
$
16.8

 
$
14.5

 
$
32.3

 
$
27.2

Income tax benefit
(5.2
)
 
(4.4
)
 
(9.8
)
 
(9.2
)
RSU and restricted share expense, net of income taxes
$
11.6

 
$
10.1

 
$
22.5

 
$
18.0

Stock options:
 
 
 
 
 
 
 
Pre-tax compensation expense
$
11.5

 
$
12.2

 
$
23.8

 
$
23.2

Income tax benefit
(3.5
)
 
(3.7
)
 
(7.3
)
 
(7.0
)
Stock option expense, net of income taxes
$
8.0

 
$
8.5

 
$
16.5

 
$
16.2

Total stock-based compensation:
 
 
 
 
 
 
 
Pre-tax compensation expense
$
28.3

 
$
26.7

 
$
56.1

 
$
50.4

Income tax benefit
(8.7
)
 
(8.1
)
 
(17.1
)
 
(16.2
)
Total stock-based compensation expense, net of income taxes
$
19.6

 
$
18.6

 
$
39.0

 
$
34.2

Option Activity Under The Company's Stock Plans
Option activity under the Company’s stock plans as of June 28, 2013 and changes during the six months ended June 28, 2013 were as follows (in thousands, except exercise price and number of years):
 
 
Options
 
Weighted
Average
Exercise
Price
 
Weighted Average
Remaining
Contractual Term
(in Years)
 
Aggregate
Intrinsic
Value
Outstanding as of December 31, 2012
27,372

 
$
37.94

 
 
 
 
Granted
1,612

 
61.04

 
 
 
 
Exercised
(3,152
)
 
30.37

 
 
 
 
Cancelled/forfeited
(562
)
 
42.34

 
 
 
 
Outstanding as of June 28, 2013
25,270

 
$
40.26

 
6
 
$
582,202

Vested and Expected to Vest as of June 28, 2013 (1)
24,642

 
$
40.00

 
6
 
$
574,252

Vested as of June 28, 2013
13,318

 
$
33.88

 
4
 
$
391,846

 
(1)
The “Expected to Vest” options are the net unvested options that remain after applying the pre-vesting forfeiture rate assumption to total unvested options.
RSU And Restricted Shares Activity
The following table summarizes information on unvested RSUs and restricted shares activity during the six months ended June 28, 2013:
 
 
Number of RSUs/Restricted
Shares (in thousands)
 
Weighted Average
Grant-Date  Fair Value
Unvested as of December 31, 2012
5,585

 
$
43.29

Granted
656

 
61.04

Vested
(714
)
 
34.83

Forfeited
(323
)
 
43.42

Unvested as of June 28, 2013
5,204

 
$
46.68