The additional interest rate based on the entity's consolidated leverage ratio.

No definition available.

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- Definition

Covenant threshold for debt incurred by foreign subsidiaries, aggregate principal amount.

+ References

No definition available.

+ Details

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- Definition

Covenant threshold for debt incurred based on the aggregate principal amount of priority debt.

+ References

No definition available.

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- Definition

Covenant for minimum working capital.

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No definition available.

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- Definition

Debt instrument covenant, long-term debt to net worth.

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No definition available.

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- Definition

Debt instrument covenant ratio, maintenance of net worth.

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No definition available.

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- Definition

Number of consecutive quarters for measuring the leverage ratio per credit agreement.

+ References

No definition available.

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- Definition

Represents the actual consolidated interest coverage ration used to determine compliance with the financial covenant of the line of credit facility.

+ References

No definition available.

+ Details

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- Definition

Represents the option to increase the revolving credit facility.

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No definition available.

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- Definition

Represents the actual ratio used to determine compliance with the ratio of debt to consolidated EBITDA financial covenant of the line of credit facility.

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No definition available.

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- Definition

Amount of semi-annual principal payments that the company has to pay after year five since the first year of maturity payment as stated in the agreement.

+ References

No definition available.

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- Definition

Amount of semi-annual principal payments that the company has to pay in the year one as stated in the agreement.

+ References

No definition available.

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- Definition

Amount of semi-annual principal payments that the company has to pay in year two to year five since the first year of maturity payment as stated in the agreement.

+ References

No definition available.

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- Definition

Amount of the total principal payments made during the annual reporting period.

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

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The average effective interest rate during the reporting period.

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

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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

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.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ 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.

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

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

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No definition available.

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The cash outflow for loan and debt issuance costs.

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DEBT - REVOLVING CREDIT FACILITY (Details)		1 Months Ended	3 Months Ended
DEBT - REVOLVING CREDIT FACILITY (Details)	Apr. 27, 2020 USD ($)	Sep. 30, 2016 USD ($)	Mar. 31, 2020 USD ($) item
Debt
Payment of debt financing costs			$ 3,100,000
Revolving Credit Facility
Debt
Maximum borrowing capacity under revolving credit facility			650,000,000
Uncommitted option to increase credit facility			250,000,000
Funds available under the revolving credit facility			$ 163,600,000
Interest rate during period (as a percent)			3.50%
Payment of debt financing costs			$ 2,000,000.0
Covenant threshold for debt incurred			$ 331,000,000
Revolving Credit Facility \| Minimum
Debt
Credit facility commitment fee percentage			0.25%
Ratio of consolidated EBITDA to interest expense			3.50
Revolving Credit Facility \| Maximum
Debt
Credit facility commitment fee percentage			0.55%
Covenant threshold for debt incurred by foreign subsidiaries			$ 20,000,000
Standby and commercial letters of credit
Debt
Maximum borrowing capacity under revolving credit facility			100,000,000
Funds available under the revolving credit facility			$ 7,700,000
Standby and commercial letters of credit \| Minimum
Debt
Line of credit fees percentage			1.75%
Standby and commercial letters of credit \| Maximum
Debt
Line of credit fees percentage			3.50%
Swing Line Loans
Debt
Maximum borrowing capacity under revolving credit facility			$ 50,000,000
The Senior Unsecured Notes (The "Series D Notes")
Debt
Debt issued		$ 200,000,000.0
Interest rate (as a percent)		3.14%
Debt instrument term		15 years
Maturities of Long-term Debt
Semi-annual principal payments in year 2019		$ 6,000,000.0
Semi-annual principal payments in 2020 to 2023		9,200,000
Semi-annual principal payments in 2024 to 2031		$ 7,150,000
Private Debt Agreements
Debt
Number of consecutive quarters \| item			2
Additional interest rate based on the entity's consolidated leverage ratio			0.25%
Payment of debt financing costs			$ 800,000
Private Debt Agreements \| Maximum
Debt
Debt covenant, ratio of debt to consolidated EBITDA			3
London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility \| Minimum
Debt
Variable rate margin			1.75%
London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility \| Maximum
Debt
Variable rate margin			3.50%
Base rate \| Revolving Credit Facility \| Minimum
Debt
Variable rate margin			0.75%
Base rate \| Revolving Credit Facility \| Maximum
Debt
Variable rate margin			2.50%
MatNav \| Title XI Notes
Debt
Minimum working capital covenant			$ 1
Debt instrument covenant ratio, maintenance of net worth			90.00%
Payment of debt financing costs	$ 8,700,000
Debt issued	$ 185,900,000
Interest rate (as a percent)	1.22%
Annual principal payments	$ 4,000,000.0
MatNav \| Minimum \| Title XI Notes
Debt
Debt instrument covenant, long-term debt to net worth			200.00%