<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.4.0.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>307</ContextCount>
  <ElementCount>461</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>84</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>001 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>002 - Statement - Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/StatementConsolidatedStatementsOfIncome</Role>
      <ShortName>Consolidated Statements of Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>003 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>004 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>005 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>006 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityDeficit</Role>
      <ShortName>Consolidated Statements of Changes in Stockholders' Equity (Deficit)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>007 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/Consolidatedstatementsofcashflows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>008 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>009 - Disclosure - Acquisition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAcquisition</Role>
      <ShortName>Acquisition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>010 - Disclosure - Long-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLongTermDebt</Role>
      <ShortName>Long-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>011 - Disclosure - Financial Instruments And Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurements</Role>
      <ShortName>Financial Instruments And Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>012 - Disclosure - Goodwill, Intangible Assets And Deferred Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCosts</Role>
      <ShortName>Goodwill, Intangible Assets And Deferred Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>013 - Disclosure - Lease And Other Commitments And Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingencies</Role>
      <ShortName>Lease And Other Commitments And Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>014 - Disclosure - Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilities</Role>
      <ShortName>Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>015 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>016 - Disclosure - Retirement Plan</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlan</Role>
      <ShortName>Retirement Plan</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>017 - Disclosure - Restructuring And Impairment Charges</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentCharges</Role>
      <ShortName>Restructuring And Impairment Charges</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>018 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>019 - Disclosure - Stockholders Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquity</Role>
      <ShortName>Stockholders Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>020 - Disclosure - Segment And Geographic Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicData</Role>
      <ShortName>Segment And Geographic Data</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>021 - Disclosure - Net Income Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureNetIncomePerShare</Role>
      <ShortName>Net Income Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>022 - Disclosure - Guarantor And Non-Guarantor Financial Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformation</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>023 - Disclosure - Quarterly Financial Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureQuarterlyFinancialData</Role>
      <ShortName>Quarterly Financial Data</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>024 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>025 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Policy)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicy</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Policy)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>026 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>027 - Disclosure - Long-Term Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLongTermDebtTables</Role>
      <ShortName>Long-Term Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLongTermDebt</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>028 - Disclosure - Financial Instruments And Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsTables</Role>
      <ShortName>Financial Instruments And Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurements</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>029 - Disclosure - Goodwill, Intangible Assets And Deferred Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCostsTables</Role>
      <ShortName>Goodwill, Intangible Assets And Deferred Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCosts</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>030 - Disclosure - Lease And Other Commitments And Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingenciesTables</Role>
      <ShortName>Lease And Other Commitments And Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingencies</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>031 - Disclosure - Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesTables</Role>
      <ShortName>Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilities</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>032 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>033 - Disclosure - Retirement Plan (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</Role>
      <ShortName>Retirement Plan (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlan</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>034 - Disclosure - Restructuring And Impairment Charges (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesTables</Role>
      <ShortName>Restructuring And Impairment Charges (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentCharges</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>035 - Disclosure - Stockholders Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquityTables</Role>
      <ShortName>Stockholders Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureStockholdersEquity</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>036 - Disclosure - Segment And Geographic Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataTables</Role>
      <ShortName>Segment And Geographic Data (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicData</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>037 - Disclosure - Net Income Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureNetIncomePerShareTables</Role>
      <ShortName>Net Income Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureNetIncomePerShare</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>038 - Disclosure - Guarantor And Non-Guarantor Financial Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationTables</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformation</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>039 - Disclosure - Quarterly Financial Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureQuarterlyFinancialDataTables</Role>
      <ShortName>Quarterly Financial Data (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureQuarterlyFinancialData</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>040 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesNarrativeDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>041 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Assumptions Used For Options Granted) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfAssumptionsUsedForOptionsGrantedDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Assumptions Used For Options Granted) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>042 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Activity For Allowance For Doubtful Accounts) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesActivityForAllowanceForDoubtfulAccountsDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Activity For Allowance For Doubtful Accounts) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>043 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Inventory) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfInventoryDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Inventory) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>044 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Property, Plant And Equipment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyPlantAndEquipmentDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Property, Plant And Equipment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>045 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Changes In The Carrying Amount Of Goodwill) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesChangesInCarryingAmountOfGoodwillDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Changes In The Carrying Amount Of Goodwill) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>046 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Intangible Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfIntangibleAssetsDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Intangible Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>047 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Other Comprehensive Income (Loss)) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesScheduleOfOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Other Comprehensive Income (Loss)) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>048 - Disclosure - Acquisition (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAcquisitionNarrativeDetails</Role>
      <ShortName>Acquisition (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureAcquisition</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>049 - Disclosure - Long-Term Debt (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLongTermDebtNarrativeDetails</Role>
      <ShortName>Long-Term Debt (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLongTermDebtTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>050 - Disclosure - Long-Term Debt (Summary Of Long-Term Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLongTermDebtSummaryOfLongTermDebtDetails</Role>
      <ShortName>Long-Term Debt (Summary Of Long-Term Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLongTermDebtTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>051 - Disclosure - Long-Term Debt (Future Maturities Of Long-Term Debt) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLongTermDebtFutureMaturitiesOfLongTermDebtDetails</Role>
      <ShortName>Long-Term Debt (Future Maturities Of Long-Term Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLongTermDebtTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>052 - Disclosure - Financial Instruments And Fair Value Measurements (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsNarrativeDetails</Role>
      <ShortName>Financial Instruments And Fair Value Measurements (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>053 - Disclosure - Financial Instruments And Fair Value Measurements (Schedule Of Derivative Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsScheduleOfDerivativeInstrumentsDetails</Role>
      <ShortName>Financial Instruments And Fair Value Measurements (Schedule Of Derivative Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>054 - Disclosure - Financial Instruments And Fair Value Measurements (Schedule Of Fair Value Assets Measured On A Non-Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsScheduleOfFairValueAssetsMeasuredOnNonRecurringBasisDetails</Role>
      <ShortName>Financial Instruments And Fair Value Measurements (Schedule Of Fair Value Assets Measured On A Non-Recurring Basis) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureFinancialInstrumentsAndFairValueMeasurementsTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>055 - Disclosure - Goodwill, Intangible Assets And Deferred Costs (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCostsNarrativeDetails</Role>
      <ShortName>Goodwill, Intangible Assets And Deferred Costs (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCostsTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>056 - Disclosure - Goodwill, Intangible Assets And Deferred Costs (Schedule Of Intangible Assets, Goodwill And Deferred Costs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCostsScheduleOfIntangibleAssetsGoodwillAndDeferredCostsDetails</Role>
      <ShortName>Goodwill, Intangible Assets And Deferred Costs (Schedule Of Intangible Assets, Goodwill And Deferred Costs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGoodwillIntangibleAssetsAndDeferredCostsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>057 - Disclosure - Lease And Other Commitments And Contingencies (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingenciesNarrativeDetails</Role>
      <ShortName>Lease And Other Commitments And Contingencies (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingenciesTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>058 - Disclosure - Lease And Other Commitments And Contingencies (Schedule Of Future Minimum Payments For Capital And Operating Leases) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsForCapitalAndOperatingLeasesDetails</Role>
      <ShortName>Lease And Other Commitments And Contingencies (Schedule Of Future Minimum Payments For Capital And Operating Leases) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureLeaseAndOtherCommitmentsAndContingenciesTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>059 - Disclosure - Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Summary Of Accrued Expenses And Other Current Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesSummaryOfAccruedExpensesAndOtherCurrentLiabilitiesDetails</Role>
      <ShortName>Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Summary Of Accrued Expenses And Other Current Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesTables</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>060 - Disclosure - Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Summary Of Other Long-Term Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesSummaryOfOtherLongTermLiabilitiesDetails</Role>
      <ShortName>Accrued Expenses, Other Current Liabilities And Other Long-Term Liabilities (Summary Of Other Long-Term Liabilities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureAccruedExpensesOtherCurrentLiabilitiesAndOtherLongTermLiabilitiesTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>061 - Disclosure - Income Taxes (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesNarrativeDetails</Role>
      <ShortName>Income Taxes (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>062 - Disclosure - Income Taxes (Schedule Of Income Tax Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesScheduleOfIncomeTaxExpenseDetails</Role>
      <ShortName>Income Taxes (Schedule Of Income Tax Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>063 - Disclosure - Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails</Role>
      <ShortName>Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>064 - Disclosure - Income Taxes (Components Of Net Deferred Income Tax Liability) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesComponentsOfNetDeferredIncomeTaxLiabilityDetails</Role>
      <ShortName>Income Taxes (Components Of Net Deferred Income Tax Liability) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>065 - Disclosure - Income Taxes (Activity Related To Gross Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureIncomeTaxesActivityRelatedToGrossUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>Income Taxes (Activity Related To Gross Unrecognized Tax Benefits) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureIncomeTaxesTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>066 - Disclosure - Retirement Plan (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanNarrativeDetails</Role>
      <ShortName>Retirement Plan (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>067 - Disclosure - Retirement Plan (Schedule Of Projected Benefit Obligations And Change In Fair Value Of Plan Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanScheduleOfProjectedBenefitObligationsAndChangeInFairValueOfPlanAssetsDetails</Role>
      <ShortName>Retirement Plan (Schedule Of Projected Benefit Obligations And Change In Fair Value Of Plan Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>068 - Disclosure - Retirement Plan (Weighted Average Assumptions Used To Determine Benefit Obligation And Benefit Cost) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanWeightedAverageAssumptionsUsedToDetermineBenefitObligationAndBenefitCostDetails</Role>
      <ShortName>Retirement Plan (Weighted Average Assumptions Used To Determine Benefit Obligation And Benefit Cost) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>069 - Disclosure - Retirement Plan (Schedule Of Plan Asset Fair Values) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanScheduleOfPlanAssetFairValuesDetails</Role>
      <ShortName>Retirement Plan (Schedule Of Plan Asset Fair Values) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>070 - Disclosure - Retirement Plan (Schedule Of Expected Benefit Payments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanScheduleOfExpectedBenefitPaymentsDetails</Role>
      <ShortName>Retirement Plan (Schedule Of Expected Benefit Payments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>071 - Disclosure - Retirement Plan (Schedule Of Net Pension And Retiree Health Benefit Expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanScheduleOfNetPensionAndRetireeHealthBenefitExpenseDetails</Role>
      <ShortName>Retirement Plan (Schedule Of Net Pension And Retiree Health Benefit Expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>072 - Disclosure - Retirement Plan (Schedule Of Defined Benefit Pension Plan Asset Allocations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRetirementPlanScheduleOfDefinedBenefitPensionPlanAssetAllocationsDetails</Role>
      <ShortName>Retirement Plan (Schedule Of Defined Benefit Pension Plan Asset Allocations) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRetirementPlanTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>073 - Disclosure - Restructuring And Impairment Charges (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesNarrativeDetails</Role>
      <ShortName>Restructuring And Impairment Charges (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesTables</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>074 - Disclosure - Restructuring And Impairment Charges (Schedule Of Estimated Costs For Restructuring Programs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesScheduleOfEstimatedCostsForRestructuringProgramsDetails</Role>
      <ShortName>Restructuring And Impairment Charges (Schedule Of Estimated Costs For Restructuring Programs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>075 - Disclosure - Restructuring And Impairment Charges (Components Of Restructuring Charges By Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesComponentsOfRestructuringChargesBySegmentDetails</Role>
      <ShortName>Restructuring And Impairment Charges (Components Of Restructuring Charges By Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesTables</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>076 - Disclosure - Restructuring And Impairment Charges (Schedule Of Restructuring Accrual Costs) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesScheduleOfRestructuringAccrualCostsDetails</Role>
      <ShortName>Restructuring And Impairment Charges (Schedule Of Restructuring Accrual Costs) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRestructuringAndImpairmentChargesTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>077 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureRelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>078 - Disclosure - Stockholders Equity (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquityNarrativeDetails</Role>
      <ShortName>Stockholders Equity (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureStockholdersEquityTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>079 - Disclosure - Stockholders Equity (Schedule Of Stock Option Activity) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquityScheduleOfStockOptionActivityDetails</Role>
      <ShortName>Stockholders Equity (Schedule Of Stock Option Activity) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureStockholdersEquityTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>080 - Disclosure - Stockholders Equity (Schedule Of Assumptions Used For Options Granted) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquityScheduleOfAssumptionsUsedForOptionsGrantedDetails</Role>
      <ShortName>Stockholders Equity (Schedule Of Assumptions Used For Options Granted) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureStockholdersEquityTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>081 - Disclosure - Stockholders Equity (Summary Of Options Outstanding By Exercise Price Range) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureStockholdersEquitySummaryOfOptionsOutstandingByExercisePriceRangeDetails</Role>
      <ShortName>Stockholders Equity (Summary Of Options Outstanding By Exercise Price Range) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureStockholdersEquityTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>082 - Disclosure - Segment And Geographic Data (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataNarrativeDetails</Role>
      <ShortName>Segment And Geographic Data (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>083 - Disclosure - Segment And Geographic Data (Summary Of Selected Information By Reportable Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataSummaryOfSelectedInformationByReportableSegmentDetails</Role>
      <ShortName>Segment And Geographic Data (Summary Of Selected Information By Reportable Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>084 - Disclosure - Segment And Geographic Data (Summary Of Assets And Goodwill By Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataSummaryOfAssetsAndGoodwillBySegmentDetails</Role>
      <ShortName>Segment And Geographic Data (Summary Of Assets And Goodwill By Segment) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureSegmentAndGeographicDataTables</ParentRole>
      <Position>84</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>085 - Disclosure - Net Income Per Share (Schedule Of Net Income Per Share) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureNetIncomePerShareScheduleOfNetIncomePerShareDetails</Role>
      <ShortName>Net Income Per Share (Schedule Of Net Income Per Share) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureNetIncomePerShareTables</ParentRole>
      <Position>85</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>086 - Disclosure - Guarantor And Non-Guarantor Financial Information (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationNarrativeDetails</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>087 - Disclosure - Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Statements Of Operations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationCondensedSupplementalConsolidatedStatementsOfOperationsDetails</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Statements Of Operations) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>088 - Disclosure - Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Balance Sheet) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationCondensedSupplementalConsolidatedBalanceSheetDetails</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Balance Sheet) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationTables</ParentRole>
      <Position>88</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>089 - Disclosure - Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Statements Of Cash Flows) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationCondensedSupplementalConsolidatedStatementsOfCashFlowsDetails</Role>
      <ShortName>Guarantor And Non-Guarantor Financial Information (Condensed Supplemental Consolidated Statements Of Cash Flows) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureGuarantorAndNonGuarantorFinancialInformationTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>090 - Disclosure - Quarterly Financial Data (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureQuarterlyFinancialDataDetails</Role>
      <ShortName>Quarterly Financial Data (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureQuarterlyFinancialDataTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="bery-20150926.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>091 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.berryplastics.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.berryplastics.com/role/DisclosureSubsequentEvents</ParentRole>
      <Position>91</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>bery-20150926.xml</File>
    <File>bery-20150926.xsd</File>
    <File>bery-20150926_cal.xml</File>
    <File>bery-20150926_def.xml</File>
    <File>bery-20150926_lab.xml</File>
    <File>bery-20150926_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies/>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
