Receivables (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2015	Apr. 30, 2015	Oct. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Document Fiscal Year Focus	2016
Impaired non-accrual status term, days	60 days
Total Portfolio	$ 226,224	$ 245,216	$ 258,728
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,600	100	2,400
Emerald Advance lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual status loans	18,200	18,700	20,000
Term Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net	41,100	40,300	46,400
Revolving Lines Of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net	76,300	80,800	100,600
Cash Back® receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	$ 36	$ 1,300	$ 27