Earnings Per Share: (Tables)

6 Months Ended

Jul. 01, 2017

Earnings Per Share:

Schedule of shares outstanding used in the calculation of basic and diluted earnings per share

	Three Months Ended		Six Months Ended
	July 1, 2017	June 25, 2016	July 1, 2017	June 25, 2016
Denominator for basic EPS — weighted average common shares	4,201,982	4,110,429	4,184,558	4,112,254
Dilutive shares associated with option plans	281,665	208,334	282,514	204,092
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares	4,483,647	4,318,763	4,467,072	4,316,346
Options excluded from EPS calculation — anti-dilutive	14,620	19,172	19,133	21,455