Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Earnings per share - Basic
Net earnings	$ 1,695,300	$ 3,671,400
Less: Distributed and undistributed earnings allocated to nonvested stock	4,000	20,000
Earnings available to common shareholders – Basic	$ 1,691,000	$ 3,651,000
Weighted average common shares outstanding - Basic (in shares)	8,200	8,239
Earnings per common share - Basic (in dollars per share)	$ 0.21	$ 0.44
Earnings per share - Diluted
Net earnings	$ 1,695,300	$ 3,671,400
Less: Distributed and undistributed earnings allocated to nonvested stock	(4,000)	(19,000)
Earnings available to common shareholders – Diluted	$ 1,691,000	$ 3,652,000
Weighted average common shares outstanding - Basic (in shares)	8,200	8,239
Effect of dilutive options (in shares)	69	145
Weighted average common shares outstanding – Diluted (in shares)	8,269	8,384
Earnings per common share - Diluted (in dollars per share)	$ 0.20	$ 0.44