Fair Value Measurement (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
Jan. 30, 2015	Jan. 24, 2014	Oct. 31, 2014
Fair Value Disclosures [Abstract]
Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent	$ 5,957,000
Fair value hierarchy, transfers amount	0val_FairValueHierarchyTransfersAmount	0val_FairValueHierarchyTransfersAmount	0val_FairValueHierarchyTransfersAmount
Investments Held in Rabbi Trust	$ 5,957,000us-gaap_AssetsHeldInTrustNoncurrent

The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(b))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_AssetsHeldInTrustNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant