Credit Agreement Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Dec. 23, 2019
Debt Instrument [Line Items]
Long-term Debt	$ 288,571	$ 292,369
Debt issuance costs	3,400
Short-term Debt	135,163	$ 135,163
Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	292,000
Term Loan Facility, Amount Outstanding	308,000
2021	12,000
2022	20,000
2023	28,000
2024	36,000
2025	212,000
Total	308,000		$ 320,000
Short-term Debt	$ 16,000

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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. 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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