Fair Value Measurement (Schedule Of Fair Value Of Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 26, 2013		Oct. 26, 2012		Apr. 27, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 65,886		$ 122,273		$ 83,770
Restricted cash	20,423	[1]	19,907	[1]	21,309	[1]
Foreign currency contracts	56	[2]	16	[2]
Total assets	86,365		142,196		105,079
Foreign currency contracts					182	[2]
Total liabilities					182
Fair Value, Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	65,886		122,273		83,770
Restricted cash	20,423	[1]	19,907	[1]	21,309	[1]
Foreign currency contracts	0	[2]	0	[2]
Total assets	86,309		142,180		105,079
Foreign currency contracts					0	[2]
Total liabilities					0
Fair Value, Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0		0		0
Restricted cash	0	[1]	0	[1]	0	[1]
Foreign currency contracts	56	[2]	16	[2]
Total assets	56		16		0
Foreign currency contracts					182	[2]
Total liabilities					182
Fair Value, Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0		0		0
Restricted cash	0	[1]	0	[1]	0	[1]
Foreign currency contracts	0	[2]	0	[2]
Total assets	0		0		0
Foreign currency contracts					0	[2]
Total liabilities					$ 0

[1] Restricted cash represents cash that is restricted from withdrawal and primarily serves as collateral for our liability insurance programs.

[2] Foreign currency contracts are included in prepaid expenses and other when in an asset position and other accrued liabilities when in a liability position in the Condensed Consolidated Balance Sheets. The fair market value was estimated using observable market data for similar financial instruments. See Note 8 for additional information on derivative financial instruments.