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Inventories (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories consist of the following:
As of December 31,
20202019
Raw materials$459.4 $216.3 
Work-in-process904.6 727.7 
Finished goods121.7 70.6 
Deferred costs430.9 400.9 
$1,916.6 $1,415.5