The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Acquisitions, Goodwill And Other Intangible Assets (Summary of Estimated Amortization Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets
Amortization expense	$ 47,565	$ 37,873	$ 23,758
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity
2019	54,227
2020	52,996
2021	51,503
2022	48,165
2023	45,799
Cost of Sales
Finite-Lived Intangible Assets
Amortization expense	5,783	5,101	5,200
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity
2019	8,543
2020	8,172
2021	7,699
2022	6,701
2023	6,189
Selling, General and Administrative Expenses
Finite-Lived Intangible Assets
Amortization expense	41,782	$ 32,772	$ 18,558
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity
2019	45,684
2020	44,824
2021	43,804
2022	41,464
2023	$ 39,610