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Shareholders' Equity (Deficit): (Tables)

12 Months Ended

Dec. 30, 2023

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 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	​	​	39,320,600
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	​	​	26,688,200
Granted		21,320	​	​	328.68	​	​	​	​	​
Exercised		(37,304)	​	​	107.49	​	​	​	​	​
Forfeited		(3,752)	​	​	204.26	​	​	​	​	​
Outstanding, December 30, 2023		341,892	​	$	180.73	​	5.98	​	$	81,017,600
Exercisable, December 30, 2023		230,739	​	$	153.64	​	4.87	​	$	60,894,300

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

​

​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended
​		December 30, 2023		​	December 31, 2022			December 25, 2021
Risk free interest rate		​	3.88	%	​	3.15	%	​	1.13	%
Expected life (years)		​	6	​	​	6	​	​	6	​
Expected volatility		​	28.10	%	​	27.58	%	​	25.51	%
Dividend yield		​	2.94	%	​	4.29	%	​	3.13	%
Option fair value	​	$	79.88	​	$	40.59	​	$	37.90	​

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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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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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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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