v3.25.2
Property, Plant and Equipment, Net (Tables)
 12 Months Ended
May 31, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment Refer below for useful lives by category:
Estimated useful lives
Building and building improvements
3 to 39 years
Computer software and equipment
1 to 10 years
Machinery and equipment
3 to 11 years
Placement and evaluation units5 years
Property, plant and equipment are summarized as follows:
(in thousands)May 31, 2025May 31, 2024
Building and building improvements$16,604 $30,099 
Computer software and equipment29,038 28,407 
Machinery and equipment16,596 15,756 
Placement and evaluation units36,991 31,312 
Construction in progress3,794 2,638 
103,023 108,212 
Less accumulated depreciation(71,116)(69,675)
Less building impairment— (3,364)
31,907 35,173 
Land and land improvements393 493 
$32,300 $35,666