Acquisitions (Details) (USD $)	3 Months Ended
	Jan. 25, 2014 Store	Oct. 26, 2013 Store	Oct. 27, 2012 Store	Apr. 26, 2014	Apr. 27, 2013	Oct. 01, 2012	Apr. 28, 2012
Acquisitions [Abstract]
Net notes and accounts receivable acquired from dealer	$ 1,400,000	$ 1,600,000
Amortization period of intangible assets	15 years	15 years	15 years
Number of stores	2	3	9
Cash paid for assets	800,000
Purchase price allocation [Abstract]
Current assets						4,260,000
Goodwill	1,100,000			13,923,000	12,837,000	12,837,000	0
Other intangible assets	500,000	600,000	2,200,000			2,145,000
Property, plant, and equipment, net						336,000
Total assets acquired						19,578,000
Current liabilities						(2,199,000)
Net assets acquired						$ 17,379,000