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

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Balance Type:	debit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
-SubTopic 10
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Period Type:	instant

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
Debt - Additional Information (Details) - USD ($)	Jun. 30, 2018	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018	Jun. 22, 2018	Jun. 13, 2018
Debt Instrument [Line Items]
Interest expense		$ 19,900,000	$ 9,100,000	$ 39,200,000	$ 9,100,000
Bridge Loan
Debt Instrument [Line Items]
Amount of debt extinguished	$ 850,000,000
Term Loan
Debt Instrument [Line Items]
Borrowing capacity							$ 900,000,000.0
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity							$ 500,000,000
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount						$ 1,000,000,000.0