Represents the aggregate amount of base rents per annum, which could be adjusted to market value.

No definition available.

Name:	ncso_RelatedPartyTransactionBaseRentsAdjustableToMarketValue
Namespace Prefix:	ncso_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of increase in the base rent due to the adjustment to market value.

+ References

No definition available.

+ Details

Name:	ncso_RelatedPartyTransactionIncreaseInBaseRentDueToAdjustmentToMarketValue
Namespace Prefix:	ncso_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the initial term of the leases entered into by the entity.

+ References

No definition available.

+ Details

Name:	ncso_RelatedPartyTransactionInitialLeaseTerm
Namespace Prefix:	ncso_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of store parking lots covered under the lease agreements.

+ References

No definition available.

+ Details

Name:	ncso_RelatedPartyTransactionNumberOfStoreParkingLotsCoveredUnderAgreements
Namespace Prefix:	ncso_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of stores covered under the lease agreements.

+ References

No definition available.

+ Details

Name:	ncso_RelatedPartyTransactionNumberOfStoresCoveredUnderAgreements
Namespace Prefix:	ncso_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Related-Party Transactions (Details) (The Rollover Investors, Leases, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			0 Months Ended		3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 13, 2012 item	Jan. 13, 2012 Minimum	Jan. 13, 2012 Maximum	Dec. 29, 2012 Maximum
Related-Party Transactions
Number of stores covered under the lease agreements					13
Number of store parking lots covered under the lease agreements					1
Initial term of leases						5 years	10 years
Base rents, adjustable to market value							$ 1.0
Increase in base rents due to adjustment to market value								0.7
Rental expense	$ 0.6	$ 0.5	$ 2.2	$ 1.6