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Shareholders' Equity (Deficit): (Tables)

12 Months Ended

Dec. 28, 2024

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 25, 2021		355,621	​	$	146.03		​	​	​	​
Granted		62,540	​	​	217.03	​	​	​	​	​
Exercised		(50,032)	​	​	94.97	​	​	​	​	​
Forfeited	​	(6,501)	​	​	183.28	​	​	​	​	​
Outstanding, December 31, 2022		361,628	​	​	164.70		​	​	​	​
Granted		21,320	​	​	328.68	​	​	​	​	​
Exercised		(37,304)	​	​	107.49	​	​	​	​	​
Forfeited	​	(3,752)	​	​	204.26	​	​	​	​	​
Outstanding, December 30, 2023		341,892	​	​	180.73	​	​	​	​	​
Granted		25,300	​	​	377.63	​	​	​	​	​
Exercised		(42,767)	​	​	117.70	​	​	​	​	​
Forfeited		(4,581)	​	​	239.61	​	​	​	​	​
Outstanding, December 28, 2024		319,844	​	$	203.89	​	5.72	​	$	61,841,500
Exercisable, December 28, 2024		233,931	​	$	173.68	​	4.82	​	$	52,073,200

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

​

​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended
​		December 28, 2024		​	December 30, 2023			December 31, 2022
Risk free interest rate		​	4.34	%	​	3.88	%	​	3.15	%
Expected life (years)		​	6	​	​	6	​	​	6	​
Expected volatility		​	29.13	%	​	28.10	%	​	27.58	%
Dividend yield		​	2.84	%	​	2.94	%	​	4.29	%
Option fair value	​	$	98.64	​	$	79.88	​	$	40.59	​

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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.

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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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