Quarterly report pursuant to Section 13 or 15(d)

DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details)

v3.25.0.1
DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Mar. 31, 2024
Equity [Abstract]          
Investment company, cash distributions paid to common stockholders from ordinary income 52.90% 53.20% 52.90% 53.20%  
Investment company, cash distributions paid to common stockholders from capital gains 47.10% 46.80% 47.10% 46.80%  
Cash distributions to common stockholders     $ 52.1 $ 52.1  
Payments of dividends     67.4 67.4  
Investment company, distributions paid subsequent to fiscal year-end, classified in prior year, ordinary income         $ 18.7
Investment company, distribution paid subsequent to fiscal year-end, classified in prior year, capital gains         $ 1.4
Investment company, net adjustments for tax difference to capital distribution $ 0.4 $ 0.4 $ 1.2 $ 0.4