Revenue - Revenue by Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 269,059	$ 372,587	$ 835,266	$ 1,120,947
Industrial
Disaggregation of Revenue [Line Items]
Net sales	196,911	231,688	561,039	707,594
Aerospace
Disaggregation of Revenue [Line Items]
Net sales	72,148	140,899	274,227	413,353
Americas
Disaggregation of Revenue [Line Items]
Net sales	130,417	194,035	405,177	577,740
Americas | Industrial
Disaggregation of Revenue [Line Items]
Net sales	73,677	93,086	208,232	278,520
Americas | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	56,740	100,949	196,945	299,220
Europe
Disaggregation of Revenue [Line Items]
Net sales	90,609	102,842	280,427	334,636
Europe | Industrial
Disaggregation of Revenue [Line Items]
Net sales	80,470	77,308	230,685	261,388
Europe | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	10,139	25,534	49,742	73,248
Asia
Disaggregation of Revenue [Line Items]
Net sales	45,959	73,877	142,448	202,895
Asia | Industrial
Disaggregation of Revenue [Line Items]
Net sales	41,255	60,433	118,511	164,844
Asia | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	4,704	13,444	23,937	38,051
Rest of World
Disaggregation of Revenue [Line Items]
Net sales	2,074	1,833	7,214	5,676
Rest of World | Industrial
Disaggregation of Revenue [Line Items]
Net sales	1,509	861	3,611	2,842
Rest of World | Aerospace
Disaggregation of Revenue [Line Items]
Net sales	565	972	3,603	2,834
Engineered Components Products
Disaggregation of Revenue [Line Items]
Net sales	41,746	63,069	115,414	198,291
Engineered Components Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	41,746	63,069	115,414	198,291
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	103,684	45,676	294,869	144,746
Molding Solutions Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	103,684	45,676	294,869	144,746
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	37,813	110,546	112,250	323,242
Force & Motion Control Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	37,813	110,546	112,250	323,242
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	13,668	12,397	38,506	41,315
Automation Products | Industrial
Disaggregation of Revenue [Line Items]
Net sales	13,668	12,397	38,506	41,315
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	52,023	92,885	178,346	274,708
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	52,023	92,885	178,346	274,708
Aerospace Aftermarket Products and Services
Disaggregation of Revenue [Line Items]
Net sales	20,125	48,014	95,881	138,645
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	$ 20,125	$ 48,014	$ 95,881	$ 138,645
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue transferred percent	90.00%	90.00%	8500.00%	90.00%
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue transferred percent	10.00%	10.00%	1500.00%	10.00%