Debt Acquired

No definition available.

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- Definition

Debt Instrument, Covenant, Earnings Before Interest, Taxes, Depreciation, and Amortization, Minimum

+ References

No definition available.

+ Details

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- Definition

The percentage of the face amount of the debt instrument applicable to the change in ownership.

+ References

No definition available.

+ Details

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- Definition

Debt instrument, percentage of redemption price, redemption date, latest for redemption at face amount

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Long-term Debt, Accrued Interest

+ References

No definition available.

+ Details

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- 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

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

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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

- 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

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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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion 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.

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- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Debt (Details Textual)			1 Months Ended
Debt (Details Textual)	May 28, 2020 USD ($)	Mar. 23, 2016 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2020	Sep. 30, 2020 USD ($)	May 27, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019	Mar. 12, 2019 USD ($)
Debt [Line Items]
Required minimum earnings before interest, taxes and depreciation and amortization	$ 120,000,000					$ 105,000,000
Amount outstanding under the line of credit					$ 0		$ 0
Amount of letters of credit outstanding					$ 18,576,000		$ 4,836,000
Prime Rate \| Minimum
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Prime Rate \| Maximum
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Non-Prime Rate \| Minimum
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Non-Prime Rate \| Maximum
Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Senior Notes \| 6.50% Notes due 2024
Debt [Line Items]
Aggregate principal amount		$ 900,000,000
Interest rate, stated percentage		6.50%						6.50%
Debt Acquired			$ 29,744,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed			73.90%
Long-term Debt			$ 21,999,000
Long-term Debt, Accrued Interest			946,000
Gain (Loss) on Extinguishment of Debt			$ 7,388,000
Percentage of redemption price, change in ownership controllatest for redemption at face amount		101.00%
Percentage of redemption price, redemption date, latest for redemption at face amounttion Price, Redemption Date, Latest For Redemption At Face Amount		100.00%
Line of Credit [Member] \| Amendment, Credit Agreement [Member]
Debt [Line Items]
Maximum borrowing capacity	$ 250,000,000					$ 211,500,000			$ 211,500,000
Ratio of Indebtedness to Net Capital									6.25
Forecast \| Line of Credit [Member] \| Amendment, Credit Agreement [Member]
Debt [Line Items]
Ratio of Indebtedness to Net Capital				5.5