Debt Instrument, Variable Rate at Period End

No definition available.

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- Definition

Debt Instrument, Variable Rate Basis, Minimum

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Variable Rate, Leverage-based Margin

+ References

No definition available.

+ Details

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- Definition

Line Of Credit, Periodic Payment, Percentage of Principal, Annual Thereafter

+ References

No definition available.

+ Details

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- Definition

Line Of Credit, Periodic Payment, Percentage of Principal, Year One

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line Of Credit, Periodic Payment, Percentage of Principal, Year Three

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line Of Credit, Periodic Payment, Percentage of Principal, Year Two

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- 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

+ Details

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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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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Current Liabilities
-URI http://asc.fasb.org/extlink&oid=6509677

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e7018-107765

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765

+ Details

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

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

- 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

+ Details

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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).

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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- Details

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LONG-TERM DEBT - Senior Secured Credit Facilities (Details) - USD ($)		6 Months Ended
	Oct. 14, 2016	Mar. 31, 2017	Sep. 30, 2016	Nov. 30, 2013
Debt Instrument [Line Items]
Accrued interest payable		$ 18,414,000	$ 5,512,000
Revolving Loans \| Prior Senior Secured Credit Facility - Revolving \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		3.25%
Credit Facility \| Prior Senior Secured Credit Facilities
Debt Instrument [Line Items]
Accrued interest payable			$ 179,000
Credit Facility \| Prior Senior Secured Credit Facility, Term Loan A and B
Debt Instrument [Line Items]
Loan face amount				$ 855,000,000
Credit Facility \| Prior Senior Secured Credit Facility - Revolving
Debt Instrument [Line Items]
Loan face amount				$ 100,000,000
Letters of credit outstanding		$ 2,300,000
Amount drawn under credit facility		0
Remaining borrowing capacity		144,800,000
Credit Facility \| Credit Facility \| Senior Secured Credit Facilities
Debt Instrument [Line Items]
Accrued interest payable		183,000
Borrowing capacity	$ 1,400,000,000
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A
Debt Instrument [Line Items]
Borrowing capacity	$ 445,000,000
Amortization of principal, percentage, year one	15.00%
Amortization of principal, percentage, year two	15.00%
Amortization of principal, percentage, year three	10.00%
Amortization of principal, percentage, annual	7.50%
Long-term debt before debt discount and debt issuance costs		$ 428,300,000
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Variable rate basis, minimum	0.00%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| LIBOR \| Minimum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	1.50%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| LIBOR \| Maximum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	3.25%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate		4.25%
Variable rate on borrowings		0.98%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| Eurodollar Rate \| Minimum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	2.50%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan A \| Eurodollar Rate \| Maximum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	4.25%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan B
Debt Instrument [Line Items]
Borrowing capacity	$ 785,000,000
Amortization of principal, percentage, annual	1.00%
Long-term debt before debt discount and debt issuance costs		$ 783,000,000
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan B \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	4.50%
Variable rate basis, minimum	1.00%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan B \| Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate		4.50%
Variable rate on borrowings		1.00%
Credit Facility \| Credit Facility \| Senior Secured Credit Facility - Term Loan B \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%
Credit Facility \| Revolving Loans \| Prior Senior Secured Credit Facility - Revolving \| Eurodollar Rate
Debt Instrument [Line Items]
Basis spread on variable rate		4.25%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving
Debt Instrument [Line Items]
Borrowing capacity	$ 170,000,000
Fee assessed on unused revolving credit		0.50%
Long-term debt before debt discount and debt issuance costs		$ 17,000,000
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Minimum
Debt Instrument [Line Items]
Fee assessed on unused revolving credit	0.375%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Maximum
Debt Instrument [Line Items]
Fee assessed on unused revolving credit	0.50%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Variable rate basis, minimum	0.00%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| LIBOR \| Minimum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	1.50%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| LIBOR \| Maximum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	3.25%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Eurodollar Rate
Debt Instrument [Line Items]
Long-term debt before debt discount and debt issuance costs		$ 15,000,000
Variable rate on borrowings		0.91%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Eurodollar Rate \| Minimum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	2.50%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Eurodollar Rate \| Maximum
Debt Instrument [Line Items]
Variable rate, leverage-based margin	4.25%
Credit Facility \| Revolving Loans \| Senior Secured Credit Facility - Revolving \| Base Rate
Debt Instrument [Line Items]
Long-term debt before debt discount and debt issuance costs		$ 2,000,000
Variable rate on borrowings		4.00%