Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

Name:	us-gaap_RestructuringAndRelatedCostIncurredCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note 8 - Restructuring Costs (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Nov. 01, 2014	May 03, 2014	Aug. 03, 2013	May 04, 2013	Nov. 01, 2014 Employee Severance [Member]	Aug. 03, 2013 Employee Severance [Member]	Nov. 01, 2014 Facility Closing [Member]	Aug. 03, 2013 Facility Closing [Member]	May 03, 2014 Cost of Sales [Member]	May 03, 2014 Operating Expense [Member]	Nov. 01, 2014 Operating Expense [Member] Maximum [Member]	Aug. 02, 2014 Operating Expense [Member] Maximum [Member]
Restructuring and Related Activities [Abstract]
Restructuring and Related Cost, Incurred Cost		$ 1.0		$ 0.3					$ 0.1	$ 0.9	$ 0.1	$ 0.1
Restructuring and Related Cost, Number of Positions Eliminated	17	29	8	17
Restructuring Costs	$ 1.1				$ 1.0	$ 0.2	$ 0.1	$ 0.5