Fair Value and Equity Investments, Fair Value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Fair Value and Equity Investments [Abstract]
Term of variable rate	30 days
Fair Value on a Recurring Basis [Member]
Financial Assets (Liabilities) [Abstract]
Cash equivalents and current investments	$ 29,539		$ 42,916
Derivative financial instruments asset	6,258		12,689
Life insurance contracts	43,994		45,041
Contingent consideration	0		(6,300)
Financial assets (liabilities)	79,791		94,346
Fair Value on a Recurring Basis [Member] | Level 1 [Member]
Financial Assets (Liabilities) [Abstract]
Cash equivalents and current investments	29,539		42,916
Derivative financial instruments asset	0		0
Life insurance contracts	0		0
Contingent consideration	0		0
Financial assets (liabilities)	29,539		42,916
Fair Value on a Recurring Basis [Member] | Level 2 [Member]
Financial Assets (Liabilities) [Abstract]
Cash equivalents and current investments	0		0
Derivative financial instruments asset	6,258		12,689
Life insurance contracts	0		0
Contingent consideration	0		0
Financial assets (liabilities)	6,258		12,689
Fair Value on a Recurring Basis [Member] | Level 3 [Member]
Financial Assets (Liabilities) [Abstract]
Cash equivalents and current investments	0		0
Derivative financial instruments asset	0		0
Life insurance contracts	43,994		45,041
Contingent consideration	0		(6,300)
Financial assets (liabilities)	43,994		$ 38,741
Contingent Consideration [Member]
Changes in Fair Value of Level 3 Contingent Consideration [Roll Forward]
Beginning balance	(6,300)	$ (6,364)
Changes in fair value of contingent consideration	0	(58)
Payments	6,300	0
Ending balance	0	(6,422)
Life Insurance Contracts [Member]
Changes in Fair Value of Level 3 Marketable Securities [Roll Forward]
Beginning balance	45,041	40,055
Actual return on plan assets	6,153	2,341
Sales and settlements	(7,200)	(483)
Ending balance	$ 43,994	$ 41,913