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SUBSEQUENT EVENTS - Additional Information (Detail) (Transition Services Agreement, Subsequent Event, USD $)
In Millions, unless otherwise specified
 0 Months Ended
Apr. 16, 2015
payment
Apr. 16, 2015
Transition Services Agreement | Subsequent Event
    
Subsequent Event [Line Items]    
Transition and wind down services, number of payments to be received 8svu_ServicesRevenueTransitionServicesNumberofPayments
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= svu_TransitionServicesAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		  
Installment receipt amount $ 6svu_ServicesRevenueTransitionServicesInstallmentReceipts
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= svu_TransitionServicesAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		 $ 6svu_ServicesRevenueTransitionServicesInstallmentReceipts
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= svu_TransitionServicesAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Future minimum revenues $ 50svu_ServicesRevenueTransitionServicesFutureMinimumRevenues
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= svu_TransitionServicesAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		 $ 50svu_ServicesRevenueTransitionServicesFutureMinimumRevenues
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= svu_TransitionServicesAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember