Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gross profit			$ 378,391	$ 371,072	$ 397,701
Research and development expense			29,600	25,800	26,900
Provision for credit losses from uncollected receivables and contract assets			(1,299)	1,628	309
Total equity			$ (877,605)	(819,865)	(702,689)	$ (608,280)
Receivable with imputed interest, effective yield (interest rate)			2.00%
Noncurrent receivables invoice terms (in years)			10 years
Assets for plan benefits, defined benefit plan			$ 32,500	31,100
Government grants		$ 5,800	$ 5,832	0	0
Proceeds from government grant	$ 2,900
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			$ 700	700
Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total equity			(863,057)	(770,746)	(698,496)	(589,645)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Provision for credit losses from uncollected receivables and contract assets					1,800
Total equity					1,443	(35)
Cumulative Effect, Period of Adoption, Adjustment | Retained earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total equity				1,400	1,443	(35)
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings, Pre-Tax
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Total equity				300		$ 300
Long term contract
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gross profit			$ 6,200	$ 9,900	$ (10,800)
Albany Safran Composites, LLC
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			90.00%
Entity In Russia
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noncontrolling interest, ownership percentage by parent			50.00%