Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Details)

v3.20.1
SUBSEQUENT EVENTS (Details) - USD ($)
 3 Months Ended 12 Months Ended
Jul. 01, 2021
Jun. 16, 2020
Jun. 30, 2019
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Apr. 11, 2020
Subsequent Event [Line Items]              
Borrowings of long-term debt and credit facility       $ 331,632,000 $ 507,707,000 $ 367,755,000  
Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     5.00%        
Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Borrowings of long-term debt and credit facility   $ 20,000,000          
Warrants callable (in shares)   3,400,000          
Warrant exercise price (in dollars per share)   $ 3.00          
Minimum registrable securities to request a S-1   40.00%          
PPP Loan | Unsecured | Subsequent event              
Subsequent Event [Line Items]              
Aggregate principal amount             $ 10,000,000
Stated interest rate             1.00%
Initial term             2 years
Senior secured term loan, ECF payment              
Subsequent Event [Line Items]              
Current debt payable       $ 5,300,000      
PNC credit facility | Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     4.50%        
PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Exit fee (percent)   2.00%          
Minimum monthly undrawn availability   $ 7,000,000.0          
Prepayment percentage   50.00%          
Prepayment premium percentage   5.00%          
Minimum liquidity level   $ 10,000,000.0          
Minimum average liquidity level 90 days prior to the end of the quarter   10,000,000.0          
Qualified cash requirements   $ 5,000,000.0          
Domestic Rate and Swing Line Loans | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate   4.50%          
LIBOR | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate   5.50%          
Minimum | Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     3.50%        
Minimum | PNC credit facility | Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     4.50%        
Minimum | Forecast | Domestic Rate and Swing Line Loans | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate 3.50%            
Minimum | Forecast | LIBOR | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate 4.50%            
Maximum | Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     4.50%        
Maximum | PNC credit facility | Senior secured term loan              
Subsequent Event [Line Items]              
Interest rate     5.00%        
Maximum | Forecast | Domestic Rate and Swing Line Loans | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate 4.50%            
Maximum | Forecast | LIBOR | PNC credit facility | Senior secured term loan | Subsequent event              
Subsequent Event [Line Items]              
Interest rate 5.50%