Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 01, 2015	Jul. 30, 2016	Apr. 30, 2016	Oct. 31, 2015
Goodwill	$ 274,070	$ 281,337	$ 280,911
Goodwill FV over CV percentage				9.00%
Deferred Tax Asset Current [Member]
Prior Period Reclassification Adjustment	23,265
Immaterial Error [Member] \| Cash and Accounts Payable [Member]
Prior Period Reclassification Adjustment	$ 7,142