Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 929,240	$ 900,610	$ 1,054,132
Cost of goods sold	550,849	529,538	656,431
Gross profit	378,391	371,072	397,701
Selling, general and administrative expenses	160,127	163,909	163,651
Technical and research expenses	38,922	35,347	37,569
Restructuring expenses, net	1,331	5,736	2,905
Operating income	178,011	166,080	193,576
Interest income	(2,500)	(2,748)	(2,729)
Interest expense	17,391	16,332	19,650
Aviation Manufacturing Jobs Protection (AMJP) grant	(5,832)	0	0
Other expense/(income), net	3,021	13,422	(1,557)
Income before income taxes	165,931	139,074	178,212
Income tax expense	47,163	41,831	44,829
Net income	118,768	97,243	133,383
Net income/(loss) attributable to the noncontrolling interest	290	(1,346)	985
Net income attributable to the Company	$ 118,478	$ 98,589	$ 132,398
Basic earnings per share (in dollars per share)	$ 3.66	$ 3.05	$ 4.10
Diluted earnings per share (in dollars per share)	3.65	3.05	4.10
Dividends declared per share, Class A and Class B (in dollars per share)	$ 0.81	$ 0.77	$ 0.73