Debt Instrument, Annual Fixed Coupon Rate

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- Definition

Debt Instrument, Covenant, Interest Coverage Ratio

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Maximum Ratio of Consolidated Net Indebtedness to Total Assets

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Maximum Ratio of Consolidated Secured Indebtedness to Total Assets

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Maximum Ratio of Unencumbered Assets to Unsecured Indebtedness

+ References

No definition available.

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- Definition

Debt Instrument, Swap Arrangements, Percentage of Proceeds Converted

+ References

No definition available.

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- Definition

Long-Term Debt, Net of (Premium) Discount

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
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-Topic 835
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

No definition available.

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- Definition

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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KWE UNSECURED BONDS - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 GBP (£)
Debt Instrument [Line Items]
Unrealized foreign currency translation loss	$ 13.3		$ 62.6	$ (155.3)
KWE unsecured bonds [Member] \| KWE [Member]
Debt Instrument [Line Items]
Debt, net of discount (premium)	$ 1,277.6		1,264.7
Maximum percentage of total assets	60.00%				60.00%
Maximum ratio of consolidated secured indebtedness to total assets	50.00%				50.00%
Interest coverage ratio	1.50				1.50
Maximum ratio of unencumbered assets to unsecured indebtedness	125.00%				125.00%
KWE unsecured bonds [Member] \| KWE [Member] \| KWE Bonds [Member]
Debt Instrument [Line Items]
Debt face value \| £					£ 500,000,000
Interest rate (as a percent)	3.95%				3.95%
Debt, net of discount (premium)	$ 662.9		637.3
Effective interest rate	3.35%				3.35%
Percentage of proceeds converted to Euros with swaps	50.00%	50.00%
KWE unsecured bonds [Member] \| KWE [Member] \| KWE Euro Medium Term Note Programme [Member]
Debt Instrument [Line Items]
Debt face value	$ 2,700.0				£ 2,000,000,000.0
Debt, net of discount (premium)	614.7		$ 627.4
Proceeds from issuance of debt	$ 617.6	€ 550,000,000
Annual fixed coupon rate	3.25%				3.25%
GBP [Member] \| KWE [Member]
Debt Instrument [Line Items]
Unrealized foreign currency translation loss	$ 36.8