Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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amount of time in which cash flow hedge gain (loss) will be reclassified to the income statement

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Cost associated with the option to enter into a derivative

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Proceeds from the Termination and cash Settlement of Derivatives

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 30
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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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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a))
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Derivative Instruments and Hedging Activities Narrative (Details) € in Millions, CAD in Millions, $ in Millions		3 Months Ended	12 Months Ended	36 Months Ended
	Jul. 07, 2016 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2019	Jul. 07, 2016 CAD	Jul. 07, 2016 EUR (€)	Mar. 31, 2016 USD ($)
Forecast [Member]
Schedule of Trading Securities and Other Trading Assets
Cash flow hedge gain (loss), recorded in AOCI to be reclassed within twelve months			$ 5.0
Term for expected gains recorded in AOCI			12 months
Maximum term of time in cash flow hedge				3 years
Foreign currency forwards [Member]
Schedule of Trading Securities and Other Trading Assets
Derivative, Gain (Loss) on Derivative, Net	$ 3.6
Derivative, notional amount \| CAD					CAD 965.5
Swaption [Member]
Schedule of Trading Securities and Other Trading Assets
Derivative, notional amount							$ 855.0
Upfront premiums paid		$ 37.8
Proceeds from the Termination and cash Settlement of Derivatives		$ 1.4
Foreign Exchange Contract [Member]
Schedule of Trading Securities and Other Trading Assets
Derivative, notional amount \| €						€ 794.6
Maturing July 15, 2024 [Member]
Schedule of Trading Securities and Other Trading Assets
Senior Notes \| €						€ 800.0