XML 29 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Other Assets - Narrative (Detail) (USD $)
 9 Months Ended 9 Months Ended 9 Months Ended
Jan. 27, 2013
Jan. 27, 2013
Chairman of the Board Agreement [Member]
Chairman of the Board [Member]
Dec. 11, 2012
Chairman of the Board Agreement [Member]
Chairman of the Board [Member]
Jan. 27, 2013
Chairman of the Board Agreement [Member]
Chairman of the Board [Member]
Maximum [Member]
Jan. 27, 2013
Other assets [Member]
Contract
Apr. 29, 2012
Other assets [Member]
Contract
Jan. 27, 2013
Other assets [Member]
Non-compete agreement from Bodet & Horst [Member]
Jan. 27, 2013
Other assets [Member]
Non-compete agreements [Member]
Jan. 29, 2012
Other assets [Member]
Non-compete agreements [Member]
Apr. 29, 2012
Other assets [Member]
Non-compete agreements [Member]
Other Assets Noncurrent [Line Items]                    
Useful life             6 years      
Quarterly payments             $ 12,500      
Total remaining non-compete payments             75,000      
Gross carrying amount               1,100,000   1,100,000
Accumulated amortization               890,000   741,000
Amortization expense               148,000 148,000  
Remaining amortization expense for the remaining fiscal year               50,000    
Remaining amortization expense for the second fiscal year               198,000    
Remaining amortization expense for the third fiscal year               49,000    
Weighted average remaining amortization period               1.5 years    
Death benefits to beneficiary of insured on terminated life insurance agreement     8,000,000              
Collection of cash surrender value from termination of split dollar life insurance agreement 626,000 626,000                
Additional annual compensation commitment   60,000                
Estimated term of the agreement       12 years            
Number of life insurance contracts owned         3 4        
Life insurance contracts, death benefits to insured         $ 4,900,000 $ 12,900,000