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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amounts of Goodwill by Segment
The changes in the carrying amounts of goodwill by segment were as follows:
EIGEMGTotal
(In millions)
Balance at December 31, 2020$3,050.3 $1,174.6 $4,224.9 
Goodwill acquired1,037.9 5.9 1,043.8 
Purchase price allocation adjustments and other1.9 — 1.9 
Foreign currency translation adjustments(16.3)(15.6)(31.9)
Balance at December 31, 20214,073.8 1,164.9 5,238.7 
Goodwill acquired197.8 — 197.8 
Purchase price allocation adjustments and other1.8 — 1.8 
Foreign currency translation adjustments(37.3)(28.4)(65.7)
Balance at December 31, 2022$4,236.1 $1,136.5 $5,372.6 
Other Intangible Assets
Other intangible assets were as follows at December 31:
20222021
(In thousands)
Definite-lived intangible assets (subject to amortization):
Patents$46,418 $48,071 
Purchased technology722,277 677,896 
Customer lists3,023,762 2,930,120 
3,792,457 3,656,087 
Accumulated amortization:
Patents(37,215)(37,713)
Purchased technology(269,155)(235,989)
Customer lists(1,033,658)(888,092)
(1,340,028)(1,161,794)
Net intangible assets subject to amortization2,452,429 2,494,293 
Indefinite-lived intangible assets (not subject to amortization):
Trademarks and trade names889,656 874,336 
$3,342,085 $3,368,629