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Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets:
Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities	$ 0	$ 0
Held-to-maturity Securities, Unrecognized Holding Gain	0	0
Held-to-maturity Securities, Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Transferred Security, at Carrying Value	0	0
Liabilities:
Long-term Debt	507,344	465,344
Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	50,173	59,687
Available for sale securities	3,677	4,455
Precious metals	1,252
Fair Value Assets	120,722	140,062
Liabilities:
Contingent consideration fair value	6,870
Defined Benefit Pension Plans [Member] \| Foreign Plan [Member]
Assets:
Fair value of plan assets	65,620	75,920	$ 74,334
Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	5,876	10,627
Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	18,406	19,690
Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	41,338	45,603
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	27,168	32,713
Available for sale securities	3,677	4,455
Precious metals	1,252
Fair Value Assets	97,717	113,088
Liabilities:
Contingent consideration fair value	0
Fair Value, Inputs, Level 1 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	5,876	10,627
Fair Value, Inputs, Level 1 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	18,406	19,690
Fair Value, Inputs, Level 1 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	41,338	45,603
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Long-term Debt, Fair Value	491,100	485,500
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	23,005	26,974
Available for sale securities	0	0
Precious metals	0
Fair Value Assets	23,005	26,974
Liabilities:
Contingent consideration fair value	0
Fair Value, Inputs, Level 2 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 2 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Assets held in rabbi trusts	0	0
Available for sale securities	0	0
Precious metals	0
Fair Value Assets	0	0
Liabilities:
Contingent consideration fair value	6,870
Fair Value, Inputs, Level 3 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Equity Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Fixed Income Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	0	0
Fair Value, Inputs, Level 3 [Member] \| Defined Benefit Pension Plans [Member] \| Foreign Plan [Member] \| Cash and Cash Equivalents [Member] \| Fair Value, Measurements, Recurring [Member]
Assets:
Fair value of plan assets	$ 0	$ 0