Earnings Per Share: (Tables)

9 Months Ended

Sep. 28, 2019

Earnings Per Share:

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

	Three Months Ended		Nine Months Ended
	September 28, 2019	September 29, 2018	September 28, 2019	September 29, 2018
Denominator for basic EPS — weighted average common shares	3,808,863	3,886,473	3,829,329	3,864,077
Dilutive shares associated with option plans	256,438	277,866	282,989	276,739
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares	4,065,301	4,164,339	4,112,318	4,140,816
Options excluded from EPS calculation — anti-dilutive	7,146	6,116	6,782	15,428