Document And Entity Information - shares shares in Millions	9 Months Ended
Jul. 02, 2016	Aug. 09, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 02, 2016
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2016
Entity Registrant Name	BERRY PLASTICS GROUP INC
Entity Central Index Key	0001378992
Trading Symbol	bery
Current Fiscal Year End Date	--10-01
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		121.6

Document and Entity Information [Abstract]

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".

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