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

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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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Fair value amount of debt instrument that was repurchased.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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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.

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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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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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No definition available.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Other Debt Disclosures Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Payments of Debt Issuance Costs			$ 11.0	$ 3.3
Long-term Debt, Weighted Average Interest Rate, at Point in Time	5.70%		5.70%			5.80%
6.875% Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%		6.875%
6.625% Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.625%	6.625%	6.625%
Unsecured Debt [Member] \| 6.875% Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 400.0		$ 400.0		$ 400.0	$ 0.0
Payments of Debt Issuance Costs			6.4
Unsecured Debt [Member] \| 6.625% Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	0.0		0.0			450.0
Debt Instrument, Repurchase Amount	350.0	$ 100.0	350.0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	5.7	2.0
Write off of Deferred Debt Issuance Cost	1.3	0.4
Redemption Premium	3.9	$ 1.1
Foreign Credit Facilities [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	104.5		104.5			$ 106.0
Debt Instrument, Unused Borrowing Capacity, Amount	$ 54.7		$ 54.7