Cash and held to maturity investments.

No definition available.

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- Definition

Derivative contracts in liability position netted against contract in asset position.

+ References

No definition available.

+ Details

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- Details

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 7

-Footnote 2

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 19

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

+ Details

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Details

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Fair Value (Details Textual) (USD $) In Millions, unless otherwise specified			6 Months Ended		6 Months Ended				6 Months Ended
	May 04, 2013	Nov. 03, 2012	May 04, 2013 Loans Payable [Member]	Dec. 22, 2010 Loans Payable [Member]	May 04, 2013 5.0% Senior unsecured notes due July 1, 2014 [Member]	May 04, 2013 3.0% Senior unsecured notes due April 15, 2016 [Member]	May 04, 2013 Fair Value, Measurements, Recurring [Member]	Nov. 03, 2012 Fair Value, Measurements, Recurring [Member]	May 04, 2013 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 5.0% Senior unsecured notes due July 1, 2014 [Member]	Nov. 03, 2012 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 5.0% Senior unsecured notes due July 1, 2014 [Member]	Jun. 30, 2009 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 5.0% Senior unsecured notes due July 1, 2014 [Member]	May 04, 2013 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]	Nov. 03, 2012 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]	Apr. 30, 2011 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost of the Company's investments classified as available for sale							$ 3,591.2	$ 3,327.5
Derivative contracts in liability position netted against contract in asset position							2.5	1.9
Fair value of the long-term debt									394.2	402.5		397.3	402.3
Aggregate principal amount of debt				145.0							375.0			375.0
Interest rate to be paid on long term notes									5.00%		5.00%			3.00%
Debt Instrument, Frequency of Periodic Payment					semi-annual fixed interest payments due on January 1 and July 1 of each year, commencing January 1, 2010	semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing October 15, 2011
Debt Instrument, Maturity Date			Dec. 22, 2013		Jul. 01, 2014	Apr. 15, 2016			Jul. 01, 2014
Fair Value (Textual) [Abstract]
Cash and held to maturity investments	$ 51.3	$ 38.9