Quarterly report pursuant to Section 13 or 15(d)

Acquisition (Schedule Of Intangible Assets Other Than Goodwill Acquired) (Details)

v3.21.1
Acquisition (Schedule Of Intangible Assets Other Than Goodwill Acquired) (Details) - Barnes Acquisition [Member] - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Schedule Of Intangible Assets Other Than Goodwill [Line Items]    
Intangibles subject to amortization, Weighted Average Useful Life 10 years  
Intangibles acquired   $ 13,100
Trademarks [Member]    
Schedule Of Intangible Assets Other Than Goodwill [Line Items]    
Intangibles not subject to amortization   5,600
Customer Relationships [Member]    
Schedule Of Intangible Assets Other Than Goodwill [Line Items]    
Intangibles subject to amortization   5,700
Intangibles subject to amortization, Weighted Average Useful Life 10 years  
Product Technologies [Member]    
Schedule Of Intangible Assets Other Than Goodwill [Line Items]    
Intangibles subject to amortization   $ 1,800