CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical Footnotes) - USD ($) $ in Millions	Sep. 30, 2023		Mar. 31, 2023
Schedule of Investments [Line Items]
Percentage of Net Assets at Fair Value	205.80%	[1],[2]	204.30%
Contribution percentage in non-qualified assets	14.90%		13.90%
Gross unrealized appreciation	$ 79.3		$ 72.3
Gross unrealized depreciation	75.3		76.8
Net unrealized appreciation (depreciation)	4.0		(4.5)
Cost of investments	$ 1,349.6		$ 1,210.8
Percent of total assets	95.50%		95.90%
SOFR | Minimum
Schedule of Investments [Line Items]
Variable rate adjustment	0.10%		0.10%
SOFR | Maximum
Schedule of Investments [Line Items]
Variable rate adjustment	0.26161%		0.26161%
Non-control/Non-affiliate investments
Schedule of Investments [Line Items]
Percent of investment assets	83.70%		80.10%
Percentage of Net Assets at Fair Value	172.20%	[3]	163.70%
Affiliate investments
Schedule of Investments [Line Items]
Percent of investment assets	12.40%		15.60%
Percentage of Net Assets at Fair Value	25.50%	[4]	31.90%
Control investments
Schedule of Investments [Line Items]
Percent of investment assets	3.90%		4.20%
Percentage of Net Assets at Fair Value	8.10%	[5]	8.70%

[1] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.

[2] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.

[3] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act, as investments that are neither control investments nor affiliate investments. At September 30, 2023, approximately 83.7% of the Company’s investment assets were non-control/non-affiliate investments. The fair value of these investments as a percent of net assets is 172.2%.

[4] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At September 30, 2023, approximately 12.4% of the Company’s investment assets were affiliate investments. The fair value of these investments as a percent of net assets is 25.5%.

[5] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At September 30, 2023, approximately 3.9% of the Company’s investment assets were control investments. The fair value of these investments as a percent of net assets is 8.1%.