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Debt - Bridge Credit Agreement (Details) - Subsequent Event - Bridge Credit Agreement	Jan. 31, 2018 USD ($)
Debt Instrument [Line Items]
Face amount of debt	$ 550,000,000
Proceeds used for working capital and acquisition financings	300,000,000
Future reduction to face amount	$ 150,000,000

X

- Definition

Debt Instrument, Future Reduction to Face Amount

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Definition

Debt Instrument, Proceeds Used for Working Capital and Acquisition Financings

+ References

No definition available.

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Balance Type:	credit
Period Type:	instant

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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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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- Details

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