Accounting Policies (Narrative) (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2022 reporting_unit	Sep. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income Increase (decrease)			$ 389,782,000	$ 378,391,000	$ 371,072,000
Research and development expense			31,400,000	29,600,000	25,800,000
Provision/(recovery) for credit losses from uncollected receivables and contract assets			1,408,000	(1,299,000)	1,628,000
Total equity			$ (867,543,000)	(877,605,000)	(819,865,000)	$ (702,689,000)
Receivable with imputed interest, effective yield (interest rate)			2.00%
Noncurrent receivables invoice terms (in years)			10 years
AEC reporting units | reporting_unit	2
Goodwill impairment charges			$ 0
Assets for plan benefits, defined benefit plan			16,200,000	32,500,000
Government grants		$ 5,800,000	$ 0	5,832,000	0
Proceeds from government grant				2,900,000
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
Share-based Payment Arrangement, Option
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expiration period			20 years
Length of time options are valid after retirement, in years			10 years
Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets for plan benefits, defined benefit plan			$ 600,000	700,000
Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total equity			(931,318,000)	(863,057,000)	(770,746,000)	(698,496,000)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision/(recovery) for credit losses from uncollected receivables and contract assets						1,800,000
Total equity						1,443,000
Cumulative Effect, Period of Adoption, Adjustment | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total equity						$ 1,443,000
Long term contract
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating income Increase (decrease)			$ 500,000	$ 6,200,000	$ 9,900,000
Entity In Russia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			50.00%
Albany Safran Composites, LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			90.00%