General and Summary of Significant Accounting Policies Intangible Assets #1 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Cost	$ 267,311	$ 263,275
Accumulated Amortization	89,443	65,858
Finite-Lived Intangible Assets, Net	177,868	197,417
Intangible Assets, Gross (Excluding Goodwill)	286,674	277,266
INTANGIBLE ASSETS, net	$ 197,231	$ 211,408
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	10 years	10 years
Cost	$ 24,797	$ 22,322
Accumulated Amortization	15,056	13,519
Finite-Lived Intangible Assets, Net	$ 9,741	$ 8,803
Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	12 years	12 years
Cost	$ 10,365	$ 10,122
Accumulated Amortization	5,852	5,506
Finite-Lived Intangible Assets, Net	$ 4,513	$ 4,616
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	9 years	9 years
Cost	$ 58,061	$ 57,296
Accumulated Amortization	26,711	19,787
Finite-Lived Intangible Assets, Net	$ 31,350	$ 37,509
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	$ 18,270	$ 18,256
Accumulated Amortization	3,500	2,254
Finite-Lived Intangible Assets, Net	$ 14,770	$ 16,002
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	13 years	13 years
Cost	$ 152,893	$ 152,354
Accumulated Amortization	36,927	24,228
Finite-Lived Intangible Assets, Net	$ 115,966	$ 128,126
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Life in Years	3 years	3 years
Cost	$ 2,500	$ 2,500
Accumulated Amortization	972	139
Finite-Lived Intangible Assets, Net	1,528	2,361
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	$ 19,363	$ 13,991