FAIR VALUE - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Sep. 29, 2012
Fair value of long-term debt, including current maturities	$ 695
Book value of long-term debt, including current maturities	$ 699

Sum of the book values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, and including the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date but net of unamortized discount

No definition available.

Name:	rndy_LongtermDebtAndCapitalLeaseObligationsBookValue
Namespace Prefix:	rndy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant