Revenue - Revenue by Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 376,692	$ 366,660
Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	242,502	245,961
Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	134,190	120,699
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	194,432	182,488
Americas [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	98,288	96,527
Americas [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	96,144	85,961
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	118,754	118,815
Europe [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	94,430	94,140
Europe [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	24,324	24,675
Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	61,346	63,293
Asia [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	48,942	54,380
Asia [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	12,404	8,913
Other Geographic Market [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	2,160	2,064
Other Geographic Market [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	842	914
Other Geographic Market [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,318	1,150
Engineered Components Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	69,684	77,090
Engineered Components Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	69,684	77,090
Engineered Components Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Molding Solutions Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	106,793	119,099
Molding Solutions Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	106,793	119,099
Molding Solutions Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Force & Motion Control Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	51,617	49,772
Force & Motion Control Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	51,617	49,772
Force & Motion Control Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Automation Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	14,408	0
Automation Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	14,408	0
Automation Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Aerospace Original Equipment Manufacturing Products [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	87,939	80,695
Aerospace Original Equipment Manufacturing Products [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Aerospace Original Equipment Manufacturing Products [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	87,939	80,695
Aerospace Aftermarket Products and Services [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	46,251	40,004
Aerospace Aftermarket Products and Services [Member] | Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	0	0
Aerospace Aftermarket Products and Services [Member] | Aerospace [Member]
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 46,251	$ 40,004
Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenue transfered percent	90.00%
Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenue transfered percent	10.00%