Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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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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The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Amount, after tax, of reclassification from accumulated other comprehensive income (AOCI) of gain (loss) from increase (decrease) in fair value of net investment hedge.

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Derivative Instruments, Hedging Activities and Fair Value - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2022	Dec. 31, 2018	Feb. 28, 2018
Foreign Currency Derivatives
Liabilities	$ 2,185,580,000	$ 2,185,580,000		$ 2,185,580,000			$ 1,319,491,000
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		(5,500,000)	$ (16,100,000)	(700,000)	$ (6,600,000)
Repayment of Term Loan Facility	2,800,000
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		2,384,000		2,365,000
Subject to Master Netting Agreements
Foreign Currency Derivatives
Liabilities	1,500,000	1,500,000		1,500,000			100,000
Foreign currency exchange forward contracts
Foreign Currency Derivatives
Notional amounts	460,200,000	460,200,000		460,200,000			423,900,000
Term Loan Facility, Fixed-Rate \| Term Loan
Foreign Currency Derivatives
Principal amount	200,000,000.0	200,000,000.0		$ 200,000,000.0				$ 300,000,000.0
LIBOR \| Term Loan Facility, Fixed-Rate \| Term Loan
Foreign Currency Derivatives
Variable rate basis spread				2.12%
LIBOR \| Scenario, Forecast \| Term Loan Facility, Fixed-Rate \| Term Loan
Foreign Currency Derivatives
Variable rate basis spread						3.12%
Income from discontinued businesses \| Interest rate swaps
Foreign Currency Derivatives
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income as a result that a forecasted transaction is no longer probable of occurring		(2,741,000)		$ (2,741,000)
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		0		0
Floating-Rate To Fixed-Rate
Foreign Currency Derivatives
Converted debt	100,000,000.0
Estimate of Fair Value Measurement
Foreign Currency Derivatives
Long-term debt	1,361,100,000	1,361,100,000		1,361,100,000			592,000,000.0
Reported Value Measurement
Foreign Currency Derivatives
Long-term debt	$ 1,343,800,000	$ 1,343,800,000		$ 1,343,800,000			$ 605,400,000