Goodwill And Other Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Intangible Assets [Abstract]
Gross carrying amount	$ 1,764,292		$ 1,764,292		$ 930,740
Accumulated amortization	947,383		947,383		849,249
Product Related Intangible Assets [Member]
Intangible Assets [Abstract]
Gross carrying amount	1,099,501		1,099,501		742,949
Accumulated amortization	717,317		717,317		665,798
Product Related Intangible Assets [Member] | Cost of net revenues [Member]
Intangible Assets [Abstract]
Amortization expense	20,400	$ 8,300	51,500	$ 24,900
Other [Member]
Intangible Assets [Abstract]
Gross carrying amount	664,791		664,791		187,791
Accumulated amortization	230,066		230,066		$ 183,451
Other [Member] | Operating Expense [Member]
Intangible Assets [Abstract]
Amortization expense	$ 19,600	$ 700	$ 46,600	$ 2,100
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