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Inventories
9 Months Ended
Mar. 31, 2021
Inventories [Abstract]  
Inventories 3.  INVENTORIES

A comparison of inventories is as follows:

March 31,

June 30,

(in thousands)

2021

2020

Raw materials

$

19,010

$

11,119

Work in process and finished parts

3,934

3,925

Finished goods

86,504

55,521

Total

$

109,448

$

70,565