Debt Instrument, Debt Restrictive Covenants, Interest Coverage Ratio

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- Definition

Debt Instrument, Debt Restrictive Covenants, Leverage Ratio

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- Definition

Line Of Credit Facility, Potential Increase to Term Loan and Line of Credit

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Line of Credit Facility, Letter Of Credit Sub-Facility

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Line of Credit Facility, Multicurrency Revolving Sub-Facility

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- Definition

Remaining Balance Of Interest Rate Swap Notional Amount

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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

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

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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.

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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.

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Amount, after accumulated amortization, of debt discount.

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Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Average fixed interest rate related to the group of interest rate derivatives.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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

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Amount of interest payable on debt, including, but not limited to, trade payables.

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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.

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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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Long-Term Debt (Narrative) (Details)		3 Months Ended			9 Months Ended
Long-Term Debt (Narrative) (Details)	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2022	Sep. 01, 2022 USD ($)	Aug. 31, 2022 USD ($)	Oct. 01, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020	May 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Apr. 30, 1998 USD ($)
Debt Instrument [Line Items]
Accrued interest expense	$ 1,400,000	$ 1,400,000			$ 1,400,000										$ 700,000
Credit agreement, potential increase to term loan and line of credit	300,000,000.0	300,000,000.0			300,000,000.0
Debt issuance costs														$ 9,700,000
Debt issuance costs capitalized														9,600,000
Gain (Loss) on Extinguishment of Debt			$ 1,500,000		1,453,000	$ 0
Unamortized costs														$ 14,600,000
Debt issuance costs expensed		1,200,000		$ 1,400,000	3,836,000	4,103,000
Market value adjustments on interest rate swaps, net of tax		(8,121,000)		2,532,000	(41,415,000)	10,770,000
Liability for interest rate swap agreements															15,200,000
Interest Rate Swap
Debt Instrument [Line Items]
Remaining notional balance	$ 1,300,000,000	$ 1,300,000,000			$ 1,300,000,000
Derivative, average fixed interest rate	2.05%	2.05%			2.05%
Asset for Swaps															13,300,000
Asset for interest rate swap agreements, current															600,000
Interest Rate Swap \| Minimum
Debt Instrument [Line Items]
Derivative, average fixed interest rate	1.03%	1.03%			1.03%
Interest Rate Swap \| Maximum
Debt Instrument [Line Items]
Derivative, average fixed interest rate	2.98%	2.98%			2.98%
Interest Rate Swap \| Recurring
Debt Instrument [Line Items]
Asset for Swaps	$ 1,218,000	$ 1,218,000			$ 1,218,000										13,344,000
Derivative Liability	58,335,000	58,335,000			58,335,000										15,188,000
Interest Rate Swap \| Recurring \| Level 2
Debt Instrument [Line Items]
Asset for Swaps	1,218,000	1,218,000			1,218,000										13,344,000
Derivative Liability	58,335,000	58,335,000			58,335,000										$ 15,188,000
Interest Rate Swap \| Forecast
Debt Instrument [Line Items]
Remaining notional balance							$ 400,000,000.0		$ 416,000,000.0	$ 1,000,000,000.0	$ 1,100,000,000	$ 1,200,000,000
Derivative, average fixed interest rate							2.95%			2.64%		2.39%
Swap
Debt Instrument [Line Items]
Market value adjustments on interest rate swaps, net of tax		(8,100,000)			(41,400,000)	10,800,000
Deferred taxes on interest rate swaps		2,700,000		$ (800,000)	$ 13,800,000	$ (3,600,000)
Credit Agreement \| Minimum
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage					0.20%
Credit Agreement \| Maximum
Debt Instrument [Line Items]
Line of Credit Facility, Commitment Fee Percentage					0.35%
Line of Credit Due May 2024 \| Revolving line of credit
Debt Instrument [Line Items]
Multicurrency revolving sub-facility	100,000,000.0	100,000,000.0			$ 100,000,000.0
Line of Credit Due May 2024 \| Letter of Credit
Debt Instrument [Line Items]
Revolving credit facility, letter of credit sub-facility	50,000,000.0	50,000,000.0			50,000,000.0
Term loan facility \| Term Loan A-1 Due May 2024
Debt Instrument [Line Items]
Term facility, maximum borrowing capacity	1,800,000,000	1,800,000,000			$ 1,800,000,000
Term of loan facility					5 years
Line of Credit Due May 2024 \| Revolving line of credit
Debt Instrument [Line Items]
Term facility, maximum borrowing capacity	750,000,000.0	750,000,000.0			$ 750,000,000.0
Revolving line of credit, remaining borrowing capacity	$ 750,000,000.0	$ 750,000,000.0			$ 750,000,000.0
Senior notes \| 7.55% senior debentures due April 2028
Debt Instrument [Line Items]
Debt instrument, face amount																$ 100,000,000.0
Line of Credit \| Minimum
Debt Instrument [Line Items]
Debt Instrument, Debt Restrictive Covenants, Interest Coverage Ratio	3.00	3.00			3.00
Line of Credit \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Debt Restrictive Covenants, Leverage Ratio	4.50	4.50			4.50
Line of Credit \| Forecast
Debt Instrument [Line Items]
Debt Instrument, Debt Restrictive Covenants, Leverage Ratio								3.75				4.00	4.25
Debt Instrument, Redemption, Period One [Member] \| Term loan facility \| Term Loan A-1 Due May 2024
Debt Instrument [Line Items]
Line of Credit Facility, Periodic Payment	$ 21,900,000
Federal Funds Effective Rate Plus [Member] \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.50%
Adjusted LIBO Plus [Member] \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.00%
Alternate Base Rate [Member] \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.75%
Alternate Base Rate [Member] \| Credit Agreement \| Minimum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.25%
Alternate Base Rate [Member] \| Credit Agreement \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.00%
Adjusted LIBO [Member] \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.75%
Adjusted LIBO [Member] \| Credit Agreement \| Minimum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.25%
Adjusted LIBO [Member] \| Credit Agreement \| Maximum
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					2.00%