Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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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

Amount of the required periodic payments applied to principal.

+ 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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
Period Type:	duration

- 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

No definition available.

+ Details

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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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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- 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
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Period Type:	instant

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Debt (Term Facility and Revolving Credit Facility) (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 15, 2014	Dec. 31, 2019	Dec. 31, 2018	Sep. 30, 2019	Jul. 26, 2018	Dec. 20, 2017
Line of Credit Facility [Line Items]
Unamortized discount (premium) and debt issuance costs, net		$ 11,623		$ 12,138
Line of credit facility, remaining borrowing capacity		45,000		45,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, remaining borrowing capacity		$ 125,000		125,000		$ 125,000
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 35,000
Minimum
Line of Credit Facility [Line Items]
Debt instrument, interest rate, stated percentage		6.53%
First Lien Term Facility, due December 20, 2024
Line of Credit Facility [Line Items]
Debt instrument, term	7 years
Unamortized discount (premium) and debt issuance costs, net		$ 11,623		$ 12,138
First Lien Term Facility, due December 20, 2024 \| Term Loan
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 505,000
Debt instrument, interest rate, stated percentage		4.70%
Debt instrument, periodic payment, principal			$ 2,369
Line of credit facility, remaining borrowing capacity					$ 150,000
First Lien Term Facility, due December 20, 2024 \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 75,000
Second Lien Term Facility
Line of Credit Facility [Line Items]
Debt instrument, term	8 years
Second Lien Term Facility \| Term Loan
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 75,000
London Interbank Offered Rate (LIBOR) \| First Lien Term Facility, due December 20, 2024 \| Term Loan
Line of Credit Facility [Line Items]
Debt instrument, interest rate, stated percentage		1.70%
Debt instrument, basis spread on variable rate		3.00%
Line of Credit \| Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity						$ 45,000
Other than Ratings Condition Period \| London Interbank Offered Rate (LIBOR) \| Minimum \| Term Loan
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			3.00%