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Subsequent Events (Details) £ in Millions, $ in Millions	Nov. 01, 2018 USD ($)	Nov. 01, 2018 GBP (£)	Oct. 01, 2018 USD ($)	Sep. 30, 2018 USD ($)
Accounts Receivable Securitization [Abstract]
Accounts receivable securitization program commitment amount				$ 60
Subsequent Event [Member]
Accounts Receivable Securitization [Abstract]
Accounts receivable securitization program commitment amount			$ 70
Subsequent Event [Member] | 2.76% Fixed Notes [Member]
Debt Instruments [Abstract]
Debt instrument term	7 years
Debt instrument amount | £		£ 25
Interest rate, stated percentage	2.76%	2.76%
Subsequent Event [Member] | 2.53% Fixed Notes [Member]
Debt Instruments [Abstract]
Debt instrument term	5 years
Debt instrument amount | £		£ 25
Interest rate, stated percentage	2.53%	2.53%
Subsequent Event [Member] | 4.19% Fixed Notes [Member]
Debt Instruments [Abstract]
Debt instrument term	7 years
Debt instrument amount	$ 25
Interest rate, stated percentage	4.19%	4.19%

X

- Definition

The amount of proceeds owed to the reporting entity by a third party for the sale of trade receivables.

+ References

No definition available.

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X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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-Name Accounting Standards Codification
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-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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