Revenue - Revenue by Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 330,671	$ 376,692
Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	199,100	242,502
Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	131,571	134,190
Americas [Member]
Disaggregation of Revenue [Line Items]
Net sales	173,222	194,432
Americas [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	80,644	98,288
Americas [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	92,578	96,144
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	107,027	118,754
Europe [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	81,864	94,430
Europe [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	25,163	24,324
Asia [Member]
Disaggregation of Revenue [Line Items]
Net sales	47,189	61,346
Asia [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	35,493	48,942
Asia [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	11,696	12,404
Rest of World [Member]
Disaggregation of Revenue [Line Items]
Net sales	3,233	2,160
Rest of World [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,099	842
Rest of World [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,134	1,318
Engineered Components Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	47,707	69,684
Engineered Components Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	47,707	69,684
Engineered Components Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Molding Solutions Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	97,406	51,617
Molding Solutions Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	97,406	51,617
Molding Solutions Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Force & Motion Control Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	39,791	106,793
Force & Motion Control Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	39,791	106,793
Force & Motion Control Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Automation Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	14,196	14,408
Automation Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	14,196	14,408
Automation Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Aerospace Original Equipment Manufacturing Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	81,706	87,939
Aerospace Original Equipment Manufacturing Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Aerospace Original Equipment Manufacturing Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	81,706	87,939
Aerospace Aftermarket Products and Services [Member]
Disaggregation of Revenue [Line Items]
Net sales	49,865	46,251
Aerospace Aftermarket Products and Services [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Aerospace Aftermarket Products and Services [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 49,865	$ 46,251
Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenue transfered percent	85.00%	90.00%
Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenue transfered percent	15.00%	10.00%