Information on Business Segments (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 1,491,118	$ 1,495,889	$ 1,436,499
Long-lived assets	$ 1,952,700	$ 1,982,400	$ 1,584,800
Sales from international locations to domestic locations	68.00%	72.00%	78.00%
Domestic [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 630,000	$ 624,300	$ 638,600
Long-lived assets	372,200	366,100	366,700
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	949,400	958,700	868,300
Long-lived assets	1,580,500	1,616,200	1,218,100
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	(88,400)	(87,100)	(70,400)
Long-lived assets	0	0	0
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	302,000	331,400	301,700
Long-lived assets	480,300	494,000	514,000
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	225,700	193,600
Long-lived assets	226,500	233,300	237,600
Italy [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	402,100	412,000
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets			160,000
Engineered Components Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	254,569	285,929
Molding Solutions Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	442,564	503,793
Force & Motion Control Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	186,737	196,212
Automation Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	54,637	8,793
Aerospace Original Equipment Manufacturing Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	367,538	336,987
Aerospace Aftermarket Products and Services [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	185,073	164,175
Industrial [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	938,507	994,727	973,900
Industrial [Member] | Engineered Components Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	254,569	285,929	292,200
Industrial [Member] | Molding Solutions Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	442,564	503,793	487,300
Industrial [Member] | Force & Motion Control Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	186,737	196,212	194,400
Industrial [Member] | Automation Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	54,637	8,793	0
Industrial [Member] | Aerospace Original Equipment Manufacturing Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Industrial [Member] | Aerospace Aftermarket Products and Services [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Aerospace [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	552,611	501,162	462,600
Aerospace [Member] | Engineered Components Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Aerospace [Member] | Molding Solutions Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Aerospace [Member] | Force & Motion Control Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Aerospace [Member] | Automation Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	0	0
Aerospace [Member] | Aerospace Original Equipment Manufacturing Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	367,538	336,987	323,400
Aerospace [Member] | Aerospace Aftermarket Products and Services [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 185,073	$ 164,175	$ 139,200