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Inventories
6 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
3. Inventories

Major components of inventories are summarized below.

(In millions)
December 31, 2019
 
June 30, 2019
Raw materials
 
$
27.7

 
$
42.7

Work in process
 
17.2

 
15.4

Finished goods
 
4.6

 
4.6

Inventories
 
$
49.5

 
$
62.7