General and Summary of Significant Accounting Policies Intangible Assets #1 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Cost	$ 263,275	$ 173,372
Accumulated Amortization	65,858	48,186
Finite-Lived Intangible Assets, Net	197,417	125,186
Intangible Assets, Gross (Excluding Goodwill)	277,266	181,607
INTANGIBLE ASSETS, net	$ 211,408	$ 133,421
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	10 years	10 years
Cost	$ 22,322	$ 19,399
Accumulated Amortization	13,519	12,147
Finite-Lived Intangible Assets, Net	$ 8,803	$ 7,252
Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	12 years	9 years
Cost	$ 10,122	$ 5,319
Accumulated Amortization	5,506	5,272
Finite-Lived Intangible Assets, Net	$ 4,616	$ 47
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	9 years	9 years
Cost	$ 57,296	$ 57,916
Accumulated Amortization	19,787	13,363
Finite-Lived Intangible Assets, Net	$ 37,509	$ 44,553
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	4 years	4 years
Cost	$ 425	$ 425
Accumulated Amortization	425	425
Finite-Lived Intangible Assets, Net	$ 0	$ 0
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	15 years	15 years
Cost	$ 18,256	$ 7,456
Accumulated Amortization	2,254	1,618
Finite-Lived Intangible Assets, Net	$ 16,002	$ 5,838
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	13 years	11 years
Cost	$ 152,354	$ 82,857
Accumulated Amortization	24,228	15,361
Finite-Lived Intangible Assets, Net	$ 128,126	67,496
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	3 years
Cost	$ 2,500
Accumulated Amortization	139
Finite-Lived Intangible Assets, Net	2,361
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 13,991	$ 8,235