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Long-Term Debt and Short-Term Borrowings (Interest Rates) (Details) - Secured Debt - Senior Secured Credit Facility Due March 2026	6 Months Ended
	Jun. 30, 2021
> 4.50 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.50%
≤ 4.50 to 1.00 and > 4.00 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.375%
≤ 4.00 to 1.00 and > 3.50 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.35%
≤ 3.50 to 1.00 and > 3.00 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.30%
≤ 3.00 to 1.00 and > 2.00 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.25%
≤ 2.00 to 1.00
Debt Instrument [Line Items]
Undrawn fee (percent)	0.20%
Applicable Rate on Euro/AUD/CDN Dollar Loans | > 4.50 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.50%
Applicable Rate on Euro/AUD/CDN Dollar Loans | ≤ 4.50 to 1.00 and > 4.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.25%
Applicable Rate on Euro/AUD/CDN Dollar Loans | ≤ 4.00 to 1.00 and > 3.50 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	2.00%
Applicable Rate on Euro/AUD/CDN Dollar Loans | ≤ 3.50 to 1.00 and > 3.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.75%
Applicable Rate on Euro/AUD/CDN Dollar Loans | ≤ 3.00 to 1.00 and > 2.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.50%
Applicable Rate on Euro/AUD/CDN Dollar Loans | ≤ 2.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.25%
Applicable Rate on Base Rate Loans | > 4.50 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.50%
Applicable Rate on Base Rate Loans | ≤ 4.50 to 1.00 and > 4.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.25%
Applicable Rate on Base Rate Loans | ≤ 4.00 to 1.00 and > 3.50 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	1.00%
Applicable Rate on Base Rate Loans | ≤ 3.50 to 1.00 and > 3.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.75%
Applicable Rate on Base Rate Loans | ≤ 3.00 to 1.00 and > 2.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.50%
Applicable Rate on Base Rate Loans | ≤ 2.00 to 1.00
Debt Instrument [Line Items]
Basis spread on variable rate (percent)	0.25%

X

- 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

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

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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