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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Millions, except Share data | Total | Predecessor | Predecessor Parent | Predecessor Common Stock | Predecessor Additional Paid-in Capital | Predecessor Stock Held In Trust | Predecessor Retained Earnings | Predecessor Accumulated Other Comprehensive Income (Loss) | Predecessor Noncontrolling Interest | Successor | Successor Parent | Successor Additional Paid-in Capital | Successor Retained Earnings | Successor Accumulated Other Comprehensive Income (Loss) | Successor Noncontrolling Interest
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Total equity at May. 01, 2011 |  | $ 3,546.6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 3,545.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 83.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 1,638.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ (66.7)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 2,059.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ (169.2)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 1.1us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Common stock shares, outstanding at May. 01, 2011 |  |  |  | 166,100,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Common stock repurchased, amount |  | 189.5us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 189.5us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 4.6us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 90.3us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  | 94.6us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |
Common stock repurchased, shares |  |  |  | 9,200,000us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, amount |  | (4.7)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (4.7)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.3us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (5.0)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Issuance of common stock, shares |  |  |  | 500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  | 14.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 14.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 14.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Purchase of stock for trust |  | (1.6)sfd_PurchaseOfStockForTrust / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (1.6)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (1.6)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Other |  | 4.0us-gaap_StockholdersEquityOther / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3.6us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3.2us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.4us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.4us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 361.3us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 361.3us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  | 361.3us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |
Net income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  | (0.8)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net income loss, including portion attributable to noncontrolling interest |  | 360.5us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  | (341.7)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (341.7)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  | (341.7)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Total equity at Apr. 29, 2012 |  | 3,388.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3,387.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 78.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 1,561.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (67.9)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 2,326.4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (510.9)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Common stock shares, outstanding at Apr. 29, 2012 |  |  |  | 157,400,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 130.0us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |  |  |
Total equity at Dec. 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total equity at Apr. 29, 2012 |  | 3,388.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3,387.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 78.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 1,561.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (67.9)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 2,326.4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (510.9)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Common stock shares, outstanding at Apr. 29, 2012 |  |  |  | 157,400,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Common stock repurchased, amount |  | (386.4)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (386.4)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (9.5)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (189.3)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (187.6)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Common stock repurchased, shares |  |  |  | (19,100,000)us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, amount |  | (0.8)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (0.8)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.3us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (1.1)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Issuance of common stock, shares |  |  |  | 600,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  | 19.1us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 19.1us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 19.1us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Purchase of stock for trust |  | (1.8)sfd_PurchaseOfStockForTrust / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (1.8)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (1.8)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Other |  | 0.7us-gaap_StockholdersEquityOther / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 1.1us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.2us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.9us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (0.4)us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 183.8us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 183.8us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  | 183.8us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |
Net income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 0.4us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net income loss, including portion attributable to noncontrolling interest |  | 184.2us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  | (105.3)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (105.3)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  | (105.3)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Total equity at Apr. 28, 2013 |  | 3,097.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3,097.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 69.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 1,389.9us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (68.8)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 2,322.6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (616.2)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Common stock shares, outstanding at Apr. 28, 2013 |  |  |  | 138,900,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, amount |  | (2.3)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (2.3)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.1us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (2.4)us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Issuance of common stock, shares |  |  |  | 400,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  | 26.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 26.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 26.4us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Purchase of stock for trust |  | (0.7)sfd_PurchaseOfStockForTrust / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (0.7)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (0.7)sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0sfd_PurchaseOfStockForTrust / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Other |  | (0.3)us-gaap_StockholdersEquityOther / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (0.3)us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  | 51.9us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 51.9us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  | 51.9us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |
Net income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 0.2us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Net income loss, including portion attributable to noncontrolling interest |  | 52.1us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) |  | (2.0)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (2.0)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  | (2.0)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |
Total equity at Sep. 26, 2013 |  | 3,170.9us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 3,170.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 69.6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 1,413.9us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (69.5)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = sfd_StockHeldInTrustMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 2,374.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (618.2)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 0.6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 4,162.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 4,162.1us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 4,162.1us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Common stock shares, outstanding at Sep. 26, 2013 |  |  |  | 139,300,000us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |  |  |  |  |  |  |  |  |  |  |
Adjustment to Redeemable Noncontrolling Interest |  |  |  |  |  |  |  |  |  | 2.2sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 2.2sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 2.2sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |
Other |  |  |  |  |  |  |  |  |  | (2.5)us-gaap_StockholdersEquityOther / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (2.5)us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (2.5)us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Net Income (Loss) Attributable to Parent |  |  |  |  |  |  |  |  |  | 34.7us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 34.7us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  | 34.7us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |
Net income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.1us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Net income loss, including portion attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  | 34.8us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  | 39.0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 39.0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  | 39.0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Total equity at Dec. 29, 2013 |  |  |  |  |  |  |  |  |  | 4,231.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 4,231.1us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 4,157.4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 34.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 39.0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.7us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Stock compensation expense |  |  |  |  |  |  |  |  |  |  |  | 9.2us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |
Adjustment to Redeemable Noncontrolling Interest |  |  |  |  |  |  |  |  |  | 0.3sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.3sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.3sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0sfd_AdjustmenttoRedeemableNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Other |  |  |  |  |  |  |  |  |  | 0.4us-gaap_StockholdersEquityOther / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.4us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0.4us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Net Income (Loss) Attributable to Parent | 556.1us-gaap_NetIncomeLoss |  |  |  |  |  |  |  |  | 556.1us-gaap_NetIncomeLoss / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 556.1us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 556.1us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
Net income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.2us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Net income loss, including portion attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  | 556.3us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  | (257.6)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (257.6)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (257.6)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember
Total equity at Dec. 28, 2014 |  |  |  |  |  |  |  |  |  | $ 4,540.4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ 4,539.5us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ 4,167.3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ 590.8us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (218.6)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ 0.9us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember

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