Long-Term Debt And Lines of Credit (Debt Outstanding) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total	$ 116,800
Current portion of long-term debt	(5,000)
Long-term debt	111,800	$ 185,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total	16,800
Term Loan [Member]
Debt Instrument [Line Items]
Total	$ 100,000

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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