Accounting Policies (Narrative) (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($) reporting_unit	Sep. 30, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income Increase (decrease)			$ 423,718,000	$ 389,782,000	$ 378,391,000
General and administrative expense			73,100,000	56,800,000	53,700,000
Global information system expense			27,300,000	22,700,000	21,200,000
Research and development expense			40,600,000	39,900,000	38,900,000
AEC reporting units | reporting_unit	2
Goodwill impairment charges	$ 0		0
Assets for plan benefits, defined benefit plan			19,300,000	16,200,000
Government grants		$ 5,800,000	0	0	5,832,000
Proceeds from government grant					2,900,000
Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets for plan benefits, defined benefit plan			$ 700,000	600,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Vesting period			1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Vesting period			5 years
Software | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Useful life			5 years
Software | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Useful life			8 years
Long term contract
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income Increase (decrease)			$ (4,100,000)	$ 500,000	$ 6,200,000
Albany Safran Composites, LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			90.00%
Arcari, SRL
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			85.00%
Entity In Russia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			50.00%