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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories consist of the following:
As of December 31,
(In millions)20212020
Raw materials$721.9 $459.4 
Work-in-process707.2 904.6 
Finished goods73.7 121.7 
Deferred costs448.5 430.9 
$1,951.3 $1,916.6