Accounts Receivable Factoring Agreements (Details) - USD ($) $ in Millions	Jul. 02, 2016	Sep. 26, 2015
Accounts Receivable Factoring Agreements [Abstract]
Trade receivables sold to financial institutions	$ 25
Net amounts advanced from financial institutions	(21)
Amounts due from financial institutions	$ 4

Amount of receivables arising from transactions with unrelated parties.

No definition available.

Name:	cik0000919465_AccountsReceivableUnrelatedParties
Namespace Prefix:	cik0000919465_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant