v2.4.1.9
Inventory Finance Notes Receivable and Allowance for Loan Loss - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Mar. 28, 2015
Customer
Mar. 29, 2014
Dec. 27, 2014
Customer
Noncancelable Obligations Future Minimum Payments Due [Line Items]      
Periodic installments of principal and interest 24 months    
Provision for credit losses $ 6,710us-gaap_ProvisionForDoubtfulAccounts $ 32,970us-gaap_ProvisionForDoubtfulAccounts  
Inventory finance notes receivable, number of risk of loss customers 5dvly_ConcentrationRiskNumberOfMajorCustomers   5dvly_ConcentrationRiskNumberOfMajorCustomers
Credit Concentration Risk [Member]      
Noncancelable Obligations Future Minimum Payments Due [Line Items]      
Inventory finance notes receivable, risk of loss 80.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CreditConcentrationRiskMember