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Inventories (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
Inventories consist of the following:
June 30,December 31,
20202019
Raw materials$306.3  $216.3  
Work-in-process696.9  727.7  
Finished goods132.0  70.6  
Deferred costs505.7  400.9  
$1,640.9  $1,415.5