XML 81 R91.htm IDEA: XBRL DOCUMENT v3.3.1.900

Dividends - Summary of Dividends Declared by Board of directors (Detail) - USD ($) $ / shares in Units, $ in Thousands													12 Months Ended
	Jul. 29, 2015	Apr. 29, 2015	Jan. 27, 2015	Nov. 04, 2014	Jul. 29, 2014	Apr. 30, 2014	Jan. 29, 2014	Nov. 05, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 30, 2013	Nov. 06, 2012	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Dividends Payable [Line Items]
Dividends Per Ordinary Share													$ 0.665	$ 0.595	$ 0.520
Declaration Date, July 29, 2015 [Member]
Dividends Payable [Line Items]
Declaration Date													Jul. 29, 2015
Record Date													Sep. 30, 2015
Payment Date													Oct. 16, 2015
Dividends Per Ordinary Share	$ 0.170
Total Amount	$ 25,697
Declaration Date, April 29, 2015 [Member]
Dividends Payable [Line Items]
Declaration Date													Apr. 29, 2015
Record Date													Jun. 30, 2015
Payment Date													Jul. 17, 2015
Dividends Per Ordinary Share		$ 0.170
Total Amount		$ 26,127
Declaration Date, January 27, 2015 [Member]
Dividends Payable [Line Items]
Declaration Date													Jan. 27, 2015
Record Date													Mar. 31, 2015
Payment Date													Apr. 16, 2015
Dividends Per Ordinary Share			$ 0.170
Total Amount			$ 26,286
Declaration Date, November 04, 2014 [Member]
Dividends Payable [Line Items]
Declaration Date													Nov. 04, 2014
Record Date													Dec. 31, 2014
Payment Date													Jan. 16, 2015
Dividends Per Ordinary Share				$ 0.155
Total Amount				$ 24,086
Declaration Date, July 29, 2014 [Member]
Dividends Payable [Line Items]
Declaration Date													Jul. 29, 2014
Record Date													Sep. 30, 2014
Payment Date													Oct. 17, 2014
Dividends Per Ordinary Share					$ 0.155
Total Amount					$ 24,291
Declaration Date, April 30, 2014 [Member]
Dividends Payable [Line Items]
Declaration Date													Apr. 30, 2014
Record Date													Jun. 30, 2014
Payment Date													Jul. 18, 2014
Dividends Per Ordinary Share						$ 0.155
Total Amount						$ 24,576
Declaration Date, January 29, 2014 [Member]
Dividends Payable [Line Items]
Declaration Date													Jan. 29, 2014
Record Date													Mar. 31, 2014
Payment Date													Apr. 17, 2014
Dividends Per Ordinary Share							$ 0.155
Total Amount							$ 24,799
Declaration Date, November 5, 2013 [Member]
Dividends Payable [Line Items]
Declaration Date													Nov. 05, 2013
Record Date													Dec. 31, 2013
Payment Date													Jan. 17, 2014
Dividends Per Ordinary Share								$ 0.130
Total Amount								$ 20,752
Declaration Date, July 31, 2013 [Member]
Dividends Payable [Line Items]
Declaration Date													Jul. 31, 2013
Record Date													Sep. 30, 2013
Payment Date													Oct. 18, 2013
Dividends Per Ordinary Share									$ 0.130
Total Amount									$ 20,812
Declaration Date, April 30, 2013 [Member]
Dividends Payable [Line Items]
Declaration Date													Apr. 30, 2013
Record Date													Jun. 28, 2013
Payment Date													Jul. 19, 2013
Dividends Per Ordinary Share										$ 0.130
Total Amount										$ 20,929
Declaration Date, January 30, 2013 [Member]
Dividends Payable [Line Items]
Declaration Date													Jan. 30, 2013
Record Date													Mar. 28, 2013
Payment Date													Apr. 19, 2013
Dividends Per Ordinary Share											$ 0.130
Total Amount											$ 20,927
Declaration Date, November 6, 2012 [Member]
Dividends Payable [Line Items]
Declaration Date													Nov. 06, 2012
Record Date													Dec. 31, 2012
Payment Date													Jan. 18, 2013
Dividends Per Ordinary Share												$ 0.130
Total Amount												$ 21,032

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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

X

- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph 5
-Article 9

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph a
-Article 7

+ Details

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

X

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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

X

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJulyTwentyNineTwoThousandFifteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateAprilTwentyNineTwoThousandFifteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJanuaryTwentySevenTwoThousandFifteenMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateNovemberFourTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJulyTwentyNineTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateAprilThirtyTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJanuaryTwentyNineTwoThousandFourteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateNovemberFiveTwoThousandThirteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJulyThirtyOneTwoThousandThirteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateAprilThirtyTwoThousandThirteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateJanuaryThirtyTwoThousandThirteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=dox_DividendDeclarationDateNovemberSixTwoThousandTwelveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: