Annual report pursuant to Section 13 and 15(d)

Acquisitions - Narrative (Details)

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Acquisitions - Narrative (Details) - USD ($)
 10 Months Ended 12 Months Ended 13 Months Ended 24 Months Ended
Jan. 02, 2024
Dec. 28, 2023
May 31, 2022
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Jun. 30, 2023
Mar. 31, 2023
Business Acquisition [Line Items]                  
Net income         $ 51,588,000 $ 33,666,000 $ 20,092,000    
Cash paid for acquisition, net of cash acquired         100,472,000 35,299,000 0    
Vapor Power                  
Business Acquisition [Line Items]                  
Repayments of Debt   $ 5,043,000              
Vapor Power                  
Business Acquisition [Line Items]                  
Percentage of voting interests acquired 100.00%                
Revenues $ 10,931,000                
Net income 698,000                
Payments to acquire business 107,523,000                
Cash acquired from acquisition 7,051,000                
Cash paid for acquisition, net of cash acquired $ 100,472,000                
Acquisition costs         1,527,000        
Acquisition and other related costs         6,346,000 867,000 867,000    
Powerblanket                  
Business Acquisition [Line Items]                  
Percentage of voting interests acquired     100.00%            
Revenues       $ 17,144,000          
Net income       $ 1,512,000          
Payments to acquire business     $ 35,000,000            
Acquisition costs         $ 0 126,000     $ 278,000
Increase to net working capital               $ 299,000  
Acquisition and other related costs           $ 126,000 $ 152,000