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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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Intangible Assets [Abstract]
Gross carrying amount	$ 1,757,445		$ 930,740
Accumulated amortization	867,790		849,249
Product Related Intangible Assets [Member]
Intangible Assets [Abstract]
Gross carrying amount	1,092,654		742,949
Accumulated amortization	676,807		665,798
Other [Member]
Intangible Assets [Abstract]
Gross carrying amount	664,791		187,791
Accumulated amortization	$ 190,983		$ 183,451
Minimum [Member]
Statement [Line Items]
Intangible asset life	2 years
Minimum [Member] \| Patents [Member]
Statement [Line Items]
Intangible asset life	7 years
Maximum [Member]
Statement [Line Items]
Intangible asset life	7 years
Maximum [Member] \| Patents [Member]
Statement [Line Items]
Intangible asset life	10 years
Cost of net revenues [Member] \| Product Related Intangible Assets [Member]
Intangible Assets [Abstract]
Amortization expense	$ 11,000	$ 8,300
Operating Expense [Member] \| Other [Member]
Intangible Assets [Abstract]
Amortization expense	$ 7,500	$ 700