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- Definition

Number of Entered Into Interest Rate Swap Agreements

+ References

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- Definition

Number of Properties Exposed to Foreign Currency Exchange Risk

+ References

No definition available.

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- Definition

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

+ References

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

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

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- Definition

Description of the sources of foreign currency exchange rate risk exposure faced by the entity.

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

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- Definition

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

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Derivative Instruments (Narrative) (Details) $ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) swap_agreements	Mar. 31, 2019 CAD ($)	Dec. 31, 2018 USD ($)
Derivative Liability, Fair Value, Gross Liability	$ 0.0		$ 0.0
Derivative Asset, Fair Value, Gross Asset	3.1		$ 10.6
Cash Flow Hedging [Member]
Estimated amount to be reclassified from accumulated other comprehensive income to other expense in the next twelve months	0.6
Interest Rate Risk [Member]
Estimated amount to be reclassified from accumulated other comprehensive income to other expense in the next twelve months	1.2
Cross Currency Swaps 2020 [Member]
Derivative, Notional Amount	$ 79.5	$ 100.0
Net exchange rate, CAD to US dollar	1.26	1.26
Description of Foreign Currency Exposure	13.5
Currency Forward Agreements [Member]
Number of Canadian properties exposed to foreign currency exchange risk (in properties)	4
Cross Currency Swap 2023 [Member] \| Net Investment Hedging [Member]
Derivative, Notional Amount		$ 200.0
Net exchange rate, CAD to US dollar	1.32	1.32
Number of Foreign Currency Derivatives Held	2	2
Minimum [Member]
credit risk related contingent features default on debt amount	$ 25.0
Maximum [Member]
credit risk related contingent features default on debt amount		$ 50.0
interest rate swap 2.64percent [Member] [Member] \| Interest Rate Swap [Member]
Number of entered into interest rate swap agreements (in interest rate swaps) \| swap_agreements	2
Derivative fixed interest rate	2.64%	2.64%
interest rate swap 2.64percent [Member] [Member] \| Maximum [Member] \| Interest Rate Swap [Member]
Derivative, Notional Amount	$ 300.0
interest rate swap 3.15percent [Member] \| Interest Rate Swap [Member]
Number of entered into interest rate swap agreements (in interest rate swaps) \| swap_agreements	3
Derivative fixed interest rate	3.15%	3.15%
interest rate swap 3.15percent [Member] \| Minimum [Member] \| Interest Rate Swap [Member]
Derivative, Notional Amount	$ 50.0
interest rate swap 3.15percent [Member] \| Maximum [Member] \| Interest Rate Swap [Member]
Derivative, Notional Amount	$ 350.0
interest rate swap 2.25 percent [Member] \| Interest Rate Swap [Member]
Derivative fixed interest rate	3.35%	3.35%
interest rate swap 2.25 percent [Member] \| Minimum [Member] \| Interest Rate Swap [Member]
Derivative, Notional Amount	$ 50.0