Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Basic [Abstract]
Weighted average shares outstanding	6,259,654	6,246,410	6,253,996	6,234,665
Diluted [Abstract]
Weighted average shares outstanding	6,259,654	6,246,410	6,253,996	6,234,665
Dilutive stock appreciation rights	17,751		17,751
Denominator for diluted earnings per share (in shares)	6,277,405	6,246,410	6,271,747	6,234,665