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Shareholders' Equity (Deficit): (Tables)

9 Months Ended

Sep. 24, 2016

Shareholders' Equity (Deficit):

Schedule of stock option activity

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

		Nine Months Ended
		September 24, 2016			September 26, 2015
Risk free interest rate			1.52	%		1.68	%
Expected life (years)			6			6
Expected volatility			27.1	%		30.8	%
Dividend yield			1.38	%		1.34	%
Option fair value		$	23.78		$	25.48

Schedule of options outstanding and options exercisable

							Weighted Average
							Remaining
		Number of		Weighted Average			Contractual Life
		Shares		Exercise Price			(years)			Intrinsic Value
Outstanding, December 26, 2015		668,740		$	53.73		6.41			25,582,300
Granted		34,300			98.25
Exercised		(17,437)			26.84
Forfeited		(3,501)			80.31
Outstanding, September 24, 2016		682,102		$	56.52		5.96		$	33,470,500
Exercisable, September 24, 2016		473,817		$	44.82		4.92		$	28,790,800

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- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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