Name:	olli_ContractWithCustomerLiabilityForGiftCardsCurrent
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable recorded during the current reporting period, related to the Company's liability for outstanding gift cards. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForGiftCardsGiftCardIssuances
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of decrease in the obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current, related to the Company's liability for outstanding gift cards and the redemption of gift cards and breakage for gift cards not redeemed by the customer. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForGiftCardsGiftCardRedemptionAndBreakage
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable recorded during the current reporting period, related to the Company's loyalty program where members accumulate points that can be redeemed for discounts on future purchases.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForLoyaltyProgramAdditions
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current, related to the Company's loyalty program where members accumulate points that can be redeemed for discounts on future purchases.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForLoyaltyProgramCurrent
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of revenue recognized during the current reporting period for which consideration from customer has been received or is due, related to the Company's loyalty program where members accumulate points that can be redeemed for discounts on future purchases.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForLoyaltyProgramRevenueRecognized
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

No definition available.

Name:	olli_ContractWithCustomerLiabilityForSalesReturnAllowance
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable recorded during the current reporting period, related to the increase in the Company's sales return allowance from charge to cost and expense.

No definition available.

Name:	olli_ContractWithCustomerLiabilityForSalesReturnAllowanceAdditionsChargeToCostAndExpense
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

No definition available.

Name:	olli_ContractWithCustomerLiabilityForSalesReturnAllowanceDeduction
Namespace Prefix:	olli_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.