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=34725769&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=6451184&loc=d3e28551-108399

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

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Mar. 31, 2015	Mar. 19, 2015
Financial Information
Percentage ownership of subsidiary	100.00%
Unsecured senior notes issued March 19, 2015
Financial Information
Debt issued	$ 500.0		$ 500.0
Issuer Subsidiary \| Unsecured senior notes issued March 19, 2015
Financial Information
Debt issued		$ 500.0