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

Reference 1: 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=64930739&loc=d3e28878-108400

Reference 2: 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=64930785&loc=d3e28551-108399

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- Definition

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

+ 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 210.5-02.22(a)(1))
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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.

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No definition available.

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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Debt - Notes Offering - Additional Information (Detail) - USD ($) $ in Millions	Jul. 27, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Debt Instrument [Line Items]
Face or principal amount of debt instrument		$ 2,846.0	$ 2,815.0
5.00% Senior Secured Notes due 2023
Debt Instrument [Line Items]
Interest rate		5.00%	5.00%	5.00%
WMG Acquisition Corp. \| Revolving Credit Facility
Debt Instrument [Line Items]
Prepayment of senior term loan facility	$ 295.5
WMG Acquisition Corp. \| 5.00% Senior Secured Notes due 2023
Debt Instrument [Line Items]
Face or principal amount of debt instrument	$ 300.0	$ 300.0	$ 300.0
Interest rate	5.00%	5.00%	5.00%