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Shareholders' Equity (Deficit): (Tables)
 3 Months Ended
Apr. 01, 2017
Shareholders' Equity (Deficit):  
Schedule of stock option activity

 

 

 

 

 

 

 

 

 

 

 

 

 

    

 

    

 

 

    

Weighted Average

    

 

 

 

 

 

 

 

 

 

Remaining

 

 

 

 

 

Number of

 

Weighted Average

 

Contractual Life

 

 

 

 

 

Shares

 

Exercise Price

 

(years)

 

 

Intrinsic Value

Outstanding, December 31, 2016

 

673,670

 

$

62.11

 

6.11

 

$

43,139,100

Granted

 

2,500

 

 

118.00

 

 

 

 

 

Exercised

 

(4,000)

 

 

22.15

 

 

 

 

 

Forfeited

 

(4,750)

 

 

95.28

 

 

 

 

 

Outstanding, April 1, 2017

 

667,420

 

$

62.63

 

5.89

 

$

34,261,500

Exercisable, April 1, 2017

 

470,762

 

$

49.83

 

4.84

 

$

29,738,600

 

Schedule of weighted average assumptions used in estimation of fair value of options granted

 

 

 

 

 

 

 

Three Months Ended

 

    

April 1, 2017

Risk free interest rate

 

 
2.05

%

Expected life (years)

 

 

 6

 

Expected volatility

 

 
27.12

%

Dividend yield

 

 

1.16

%

Option fair value

 

$
30.78