Revenue - Revenue by Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 235,537	$ 371,669	$ 566,207	$ 748,360
Industrial
Disaggregation of Revenue [Line Items]
Net sales	165,029	233,404	364,128	475,906
Aerospace
Disaggregation of Revenue [Line Items]
Net sales	70,508	138,265	202,079	272,454
Americas
Disaggregation of Revenue [Line Items]
Net sales	101,538	189,273	274,760	383,705
Americas | Industrial
Disaggregation of Revenue [Line Items]
Net sales	53,911	87,146	134,555	185,434
Americas | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	47,627	102,127	140,205	198,271
Europe
Disaggregation of Revenue [Line Items]
Net sales	82,791	113,040	189,818	231,794
Europe | Industrial
Disaggregation of Revenue [Line Items]
Net sales	68,351	89,650	150,215	184,080
Europe | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	14,440	23,390	39,603	47,714
Asia
Disaggregation of Revenue [Line Items]
Net sales	49,300	67,672	96,489	129,018
Asia | Industrial
Disaggregation of Revenue [Line Items]
Net sales	41,763	55,469	77,256	104,411
Asia | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	7,537	12,203	19,233	24,607
Rest of World
Disaggregation of Revenue [Line Items]
Net sales	1,908	1,684	5,140	3,843
Rest of World | Industrial
Disaggregation of Revenue [Line Items]
Net sales	1,004	1,139	2,102	1,981
Rest of World | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	904	545	3,038	1,862
Engineered Components Products
Disaggregation of Revenue [Line Items]
Net sales	25,961	65,539	73,668	135,223
Engineered Components Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	25,961	65,539	73,668	135,223
Engineered Components Products | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Molding Solutions Products
Disaggregation of Revenue [Line Items]
Net sales	93,779	47,454	191,185	99,070
Molding Solutions Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	93,779	47,454	191,185	99,070
Molding Solutions Products | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Force & Motion Control Products
Disaggregation of Revenue [Line Items]
Net sales	34,646	105,902	74,437	212,697
Force & Motion Control Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	34,646	105,902	74,437	212,697
Force & Motion Control Products | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Automation Products
Disaggregation of Revenue [Line Items]
Net sales	10,643	14,509	24,838	28,916
Automation Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	10,643	14,509	24,838	28,916
Automation Products | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Aerospace Original Equipment Manufacturer Products
Disaggregation of Revenue [Line Items]
Net sales	44,617	93,884	126,323	181,822
Aerospace Original Equipment Manufacturer Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Aerospace Original Equipment Manufacturer Products | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	44,617	93,884	126,323	181,822
Aerospace Aftermarket Products and Services
Disaggregation of Revenue [Line Items]
Net sales	25,891	44,381	75,756	90,632
Aerospace Aftermarket Products and Services | Industrial
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Aerospace Aftermarket Products and Services | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	$ 25,891	$ 44,381	$ 75,756	$ 90,632
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue transferred percent	80.00%	90.00%	85.00%	90.00%
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue transferred percent	20.00%	10.00%	15.00%