FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Feb. 01, 2015	Nov. 02, 2014
Fair Value Assets And Liabilities Measured On Recurring and Nonrecurring Basis [Line Items]
Total assets	$ 0us-gaap_AssetsFairValueDisclosure	$ 0us-gaap_AssetsFairValueDisclosure
Total liabilities	0us-gaap_LiabilitiesFairValueDisclosure	0us-gaap_LiabilitiesFairValueDisclosure
Fair Value [Member] \| 3.25% convertible senior notes due 2016 [Member]
Fair and carrying values of the Company's convertible senior notes [Abstract]
Convertible senior notes	59,978	122,544
Fair Value [Member] \| 3.25% convertible senior notes due 2019 [Member]
Fair and carrying values of the Company's convertible senior notes [Abstract]
Convertible senior notes	60,479	0
Carrying Value [Member] \| 3.25% convertible senior notes due 2016 [Member]
Fair and carrying values of the Company's convertible senior notes [Abstract]
Convertible senior notes	57,500	115,000
Carrying Value [Member] \| 3.25% convertible senior notes due 2019 [Member]
Fair and carrying values of the Company's convertible senior notes [Abstract]
Convertible senior notes	$ 57,500	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Convertible Security

-URI http://asc.fasb.org/extlink&oid=6509036

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- Definition

Fair value of financial and nonfinancial obligations.

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