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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt and Financing Arrangements (Long term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jul. 02, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debt issuance costs	$ (6,914)		$ (5,013)
Total	394,265		310,819
Less: current maturities of debt	25,987		20,753
Long-term debt	368,278		290,066
Term loan due 2024
Debt Instrument [Line Items]
Long-term debt	288,730		290,825
Debt instrument, face amount	289,500
Tax Exempt Bonds
Debt Instrument [Line Items]
Long-term debt	53,090
Debt instrument, face amount		$ 53,100
Other Debt
Debt Instrument [Line Items]
Long-term debt	$ 59,359		$ 25,007