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Shareholders' Equity (Deficit): (Tables)

12 Months Ended

Dec. 31, 2022

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 28, 2019		479,558	​	$	101.78		5.79	​	$	45,283,200
Granted		45,100	​	​	163.87	​	​	​	​	​
Exercised		(108,170)	​	​	76.29	​	​	​	​	​
Forfeited	​	(23,000)	​	​	148.16	​	​	​	​	​
Outstanding, December 26, 2020		393,488	​	​	113.19		5.61	​	​	27,864,900
Granted		72,600	​	​	226.96	​	​	​	​	​
Exercised		(105,617)	​	​	78.78	​	​	​	​	​
Forfeited	​	(4,850)	​	​	158.48	​	​	​	​	​
Outstanding, December 25, 2021		355,621	​	​	146.03	​	6.32	​	​	39,320,571
Granted		62,540	​	​	217.03	​	​	​	​	​
Exercised		(50,032)	​	​	94.97	​	​	​	​	​
Forfeited		(6,501)	​	​	183.28	​	​	​	​	​
Outstanding, December 31, 2022		361,628	​	$	164.70	​	6.40	​	$	26,688,183
Exercisable, December 31, 2022		217,079	​	$	134.28	​	4.80	​	$	22,253,550

​

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

​

​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended
​		December 31, 2022		​	December 25, 2021			December 26, 2020
Risk free interest rate		​	3.15	%	​	1.13	%	​	0.45	%
Expected life (years)		​	6	​	​	6	​	​	6	​
Expected volatility		​	27.58	%	​	25.51	%	​	25.03	%
Dividend yield		​	4.29	%	​	3.13	%	​	2.33	%
Option fair value	​	$	40.59	​	$	37.90	​	$	28.25	​

​

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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