CONSOLIDATED SCHEDULE OF INVESTMENTS (Unaudited) (Parenthetical Footnotes) - USD ($) $ in Millions	Sep. 30, 2022		Mar. 31, 2022
Schedule of Investments [Line Items]
Percent of net assets	222.20%	[1],[2]	222.50%
Contribution percentage in non-qualified assets	12.90%		12.80%
Gross unrealized appreciation	$ 58.9		$ 67.8
Gross unrealized depreciation	62.8		61.7
Net unrealized appreciation (depreciation)	(3.9)		6.1
Cost of investments	$ 1,060.8		$ 852.4
Percent of total assets	94900.00%		96.20%
Non-control/Non-affiliate investments
Schedule of Investments [Line Items]
Percent of investment assets	81.30%		79.80%
Percent of net assets	180.60%	[3]	177.50%
Affiliate investments
Schedule of Investments [Line Items]
Percent of investment assets	13.90%		14.10%
Percent of net assets	30.90%	[4]	31.30%	[5]
Control investments
Schedule of Investments [Line Items]
Percent of investment assets	4.80%		6.20%
Percent of net assets	10.70%	[6]	13.70%	[7]

[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 Investment Company Act of 1940, as amended (the “1940 Act”), as investments that are neither control investments nor affiliate investments. At September 30, 2022, approximately 81.3% 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 180.6%.

[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, 2022, approximately 13.9% of the Company’s investment assets were affiliate investments. The fair value of these investments as a percent of net assets is 30.9%.

[5] 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 March 31, 2022, approximately 14.1% of the Company’s investment assets were affiliate investments. The fair value of these investments as a percent of net assets is 31.3%.

[6] 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, 2022, approximately 4.8% of the Company’s investment assets were control investments. The fair value of these investments as a percent of net assets is 10.7%.

[7] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At March 31, 2022, approximately 6.2% of the Company’s investment assets were control investments. The fair value of these investments as a percent of net assets is 13.7%.