Note 9 - Fair Value Measurement (Detail)	Apr. 30, 2013
Investment in Sales-type Lease and Notes Receivable Effective Interest Rate	5.50%
Investment In Sales Type Leases and Notes Receivable Average Maturity	2 years

Weighted average yield related to long term portion of investment in sales-type lease and notes receivable balance. (Authoritative reference ASC 825-10-50-16)

No definition available.

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Namespace Prefix:	shfl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant