Cash and held to maturity investments.

No definition available.

Name:	adi_CashAndHeldToMaturityInvestments
Namespace Prefix:	adi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	adi_FairValueTextualAbstract
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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

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ 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=28364263&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611

+ Details

Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ 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)

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

Reference 3: 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

+ Details

Name:	us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Fair Value (Details Textual) (USD $) In Millions, unless otherwise specified			36 Months Ended		1 Months Ended					1 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Oct. 30, 2010 Loans Payable [Member]	Dec. 22, 2010 Loans Payable [Member]	Jun. 30, 2009 5.0% Senior unsecured notes due July 1, 2014 [Member]	Apr. 30, 2011 3.0% Senior unsecured notes due April 15, 2016 [Member]	Jun. 30, 2013 2.875% Senior unsecured notes due June 1, 2023 [Member]	Feb. 01, 2014 Fair Value, Measurements, Recurring [Member]	Nov. 02, 2013 Fair Value, Measurements, Recurring [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]	Feb. 01, 2014 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 3.0% Senior unsecured notes due April 15, 2016 [Member]	Nov. 02, 2013 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]	Feb. 01, 2014 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 2.875% Senior unsecured notes due June 1, 2023 [Member]	Jun. 03, 2013 Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member] 2.875% Senior unsecured notes due June 1, 2023 [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								$ 3,886.4	$ 3,824.0
Fair value of the long-term debt											391.5	392.8		463.0
Aggregate principal amount of debt				145.0						375.0			375.0		500.0
Interest rate to be paid on long term notes										5.00%			3.00%		2.875%
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	semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
Debt Instrument, Maturity Date			Dec. 22, 2013		Jul. 01, 2014	Apr. 15, 2016	Jun. 01, 2023			Jul. 01, 2014
Fair Value (Textual) [Abstract]
Cash and held to maturity investments	$ 38.6	$ 45.6