Comprehensive Income (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 30, 2012	Dec. 25, 2011
Comprehensive Income [Abstract]
Net income	$ 5,398,700	$ 4,773,600	$ 14,874,100	$ 12,888,000
Change in value of interest rate swap, net of tax	0	0	0	24,600
Total comprehensive income	$ 5,398,700	$ 4,773,600	$ 14,874,100	$ 12,912,600