Applicable Premium As Percentage Of Principal Amount

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- Definition

Debt Instrument, Basis Spread On Variable Rate, Redemption Price Percentage

+ References

No definition available.

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- Definition

Debt Instrument, Face Value, Installment

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No definition available.

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- Definition

Percentage of minimum principal amount of senior notes outstanding after initial redemption of up to 35% of principal.

+ References

No definition available.

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- Definition

Percentage of principal amount of senior notes for redemption at a certain time period.

+ References

No definition available.

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- Definition

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

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- Definition

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

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- 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.

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No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt discount (premium).

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- Definition

Amount, after accumulated amortization, of debt premium.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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Debt Facilities - Additional Information (Details)	Mar. 14, 2018 EUR (€)	Sep. 30, 2018 USD ($)	Apr. 02, 2018 USD ($)	Mar. 14, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Add amount representing unamortized debt premium		$ 1,926,000			$ 2,051,000
Senior Notes [Member]
Debt Instrument [Line Items]
Add amount representing unamortized debt premium		6,100,000			0
Unamortized debt issuance expense		$ 78,961,000			$ 78,151,000
Senior Notes [Member] \| 5.000% Infomart Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal debt amount issued			$ 750,000,000.0
Interest rate (percent)		5.00%	5.00%
Add amount representing unamortized debt premium			$ 8,200,000
Unamortized discount premium, net		$ 6,100,000
Principal debt amount issued, series			$ 150,000,000.0
Senior Notes [Member] \| 2.875% Euro Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Aggregate principal debt amount issued	€ 750,000,000.0			$ 929,900,000
Interest rate (percent)	2.875%	2.875%		2.875%
Unamortized debt issuance expense				$ 11,600,000
Debt issuance cost, net of amortization		$ 9,900,000
Senior Notes [Member] \| 2.875% Euro Senior Notes due 2024 [Member] \| Debt Instrument Redemption Period Prior to January One Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Redemption price, percentage	100.00%
Senior Notes [Member] \| 2.875% Euro Senior Notes due 2024 [Member] \| Debt Instrument Redemption Period Prior to January One Two Thousand Eighteen [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Applicable premium as a percentage of principal amount	1.00%			1.00%
Senior Notes [Member] \| 2.875% Euro Senior Notes due 2024 [Member] \| Treasury Rate [Member] \| Debt Instrument Redemption Period Prior to January One Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Variable rate, basis spread	50.00%
Redemption by Company of up to 35% of aggregate principal \| Senior Notes [Member] \| 2.875% Euro Senior Notes due 2024 [Member] \| Debt Instrument Redemption Period Prior to January One Two Thousand Eighteen [Member]
Debt Instrument [Line Items]
Senior notes indentured outstanding (percent)	35.00%
Aggregate principal, percentage	65.00%