Note 7 - Commitments and Contingencies (Details Textual) $ in Millions	Aug. 01, 2015 USD ($)
Guaranteed Residual Value of Assets Under Operating Leases	$ 4.8

The guaranteed value of the asset under operating lease at the end of the lease term.

No definition available.

Name:	fizz_GuaranteedResidualValueOfAssetsUnderOperatingleases
Namespace Prefix:	fizz_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant