Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Detail) - Number of Stores	Feb. 28, 2013
Company-owned stores	432
Company-Owned Stores [Member] | Open [Member] | Parent Company [Member]
Company-owned stores	6
Company-Owned Stores [Member] | Open [Member]
Company-owned stores	12
Company-Owned Stores [Member] | Parent Company [Member]
Company-owned stores	6
Company-Owned Stores [Member]
Company-owned stores	12
Franchise Stores - Domestic Stores [Member] | Sold, Not Yet Open [Member] | Parent Company [Member]
Company-owned stores	4
Franchise Stores - Domestic Stores [Member] | Open [Member] | Parent Company [Member]
Company-owned stores	223
Franchise Stores - Domestic Stores [Member] | Open [Member]
Company-owned stores	58
Franchise Stores - Domestic Stores [Member] | Parent Company [Member]
Company-owned stores	227
Franchise Stores - Domestic Stores [Member]
Company-owned stores	58
Franchise Stores - Domestic Kiosks [Member] | Open [Member] | Parent Company [Member]
Company-owned stores	6
Franchise Stores - Domestic Kiosks [Member] | Parent Company [Member]
Company-owned stores	6
International License Stores (Member) | Open [Member] | Parent Company [Member]
Company-owned stores	66
International License Stores (Member) | Parent Company [Member]
Company-owned stores	66
Cold Stone Creamery - Co-Branded [Member] | Sold, Not Yet Open [Member] | Parent Company [Member]
Company-owned stores	2
Cold Stone Creamery - Co-Branded [Member] | Open [Member] | Parent Company [Member]
Company-owned stores	55
Cold Stone Creamery - Co-Branded [Member] | Parent Company [Member]
Company-owned stores	57
Sold, Not Yet Open [Member]
Company-owned stores	6
Open [Member]
Company-owned stores	426