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Shareholders' Equity (Deficit): (Tables)

6 Months Ended

Jun. 27, 2015

Shareholders' Equity (Deficit):

Schedule of stock option activity under the 2001 Plan, 2010 Plan and Nonemployee Directors Plan

		Number of Shares		Weighted Average Exercise Price			Weighted Average Remaining Contractual Life (years)		Intrinsic Value
Outstanding at December 27, 2014		597,700		$	48.50		6.93		$	20,973,700
Granted		39,700		91.93
Exercised		(5,106	)	40.52
Outstanding at June 27, 2015		632,294		$	51.29		6.66		$	31,146,400
Exercisable at June 27, 2015		397,392		$	38.58		5.53		$	24,624,500

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

		Six Months Ended
		June 27, 2015			June 28, 2014
Risk free interest rate		1.68		%	1.80		%
Expected life (years)		6			6
Expected volatility		30.8		%	34.1		%
Dividend yield		1.34		%	1.80		%
Option fair value		$	25.48		$	19.23

Schedule of a reconciliation of common shares outstanding and total equity (deficit)

		Common Shares		Total Equity (Deficit)
BALANCE, December 27, 2014		4,998,512		$	21,609,500
Repurchase of common stock		(875,000	)	(74,261,500		)
Stock options exercised and related tax benefits		4,519		175,600
Compensation expense relating to stock options		—		820,400
Cash dividends		—		(650,100		)
Comprehensive income		—		10,828,200
BALANCE, June 27, 2015		4,128,031		$	(41,477,900	)

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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



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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



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-Topic 718



-SubTopic 10



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Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



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