Derivative Financial Instruments (Fair Value of Derivative Instruments as Recorded in Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Total derivatives, asset derivatives	$ 0	$ 1,290
Total derivatives, liability derivatives	390	87
Designated as hedging instrument \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	0	349
Foreign currency exchange contracts, asset derivatives	0	231
Designated as hedging instrument \| Other current liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, liability derivatives	21	0
Foreign currency exchange contracts, liability derivatives	308	87
Designated as hedging instrument \| Other non-current assets
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	0	710
Designated as hedging instrument \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, liability derivatives	$ 61	$ 0

Fair value, before 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 elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value as of the balance sheet date of all derivative assets designated as foreign currency fair value hedging instruments.

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