Consolidated Schedule of Investments (Parenthetical) € in Millions, £ in Millions, kr in Millions, kr in Millions, $ in Millions, $ in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2022 USD ($)		Dec. 31, 2021 USD ($)		Dec. 31, 2020 USD ($)		Dec. 31, 2022 AUD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 GBP (£)	Dec. 31, 2022 NOK (kr)	Dec. 31, 2022 SEK (kr)	Dec. 31, 2021 AUD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 GBP (£)	Dec. 31, 2021 NOK (kr)	Dec. 31, 2021 SEK (kr)
Derivative [Line Items]
Value at Settlement		$ 236.9		$ 269.6
Current Value		213.3		261.2
Derivative Assets Subject to Master Netting Agreement		25.0		9.0
Derivatives Available for Offset		(1.0)		(1.0)
Derivative asset		$ 23.6		8.4
Qualifying assets, percent of total assets		75.30%				75.10%		75.30%	75.30%	75.30%	75.30%	75.30%	75.30%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Qualifying assets, percent of total assets		75.30%				75.10%		75.30%	75.30%	75.30%	75.30%	75.30%	75.30%
Fair Value, beginning balance	[1]	$ 16,101.5
Net Realized Gain (Loss)		149.0		171.0		$ (490.0)
Net Change in Unrealized Appreciation (Depreciation)	[2]	(981.0)		717.0		(221.0)
Fair Value, ending balance		15,377.3	[3]	16,101.5	[1]
PIK Income		$ 120.0		$ 111.0		84.0
London Interbank Offered Rate (LIBOR)
Derivative [Line Items]
Variable rate		4.77%						4.77%	4.77%	4.77%	4.77%	4.77%	4.77%
Euro Interbank Offer Rate (EURIBOR)
Derivative [Line Items]
Variable rate		2.13%		(0.57%)				2.13%	2.13%	2.13%	2.13%	2.13%	2.13%	(0.57%)	(0.57%)	(0.57%)	(0.57%)	(0.57%)	(0.57%)
Canadian Dollar Offer Rate ( CDOR)
Derivative [Line Items]
Variable rate		4.94%		0.48%				4.94%	4.94%	4.94%	4.94%	4.94%	4.94%	0.48%	0.48%	0.48%	0.48%	0.48%	0.48%
Bank Bill Swap Bid Rate (BBSY)
Derivative [Line Items]
Variable rate		3.32%		0.12%				3.32%	3.32%	3.32%	3.32%	3.32%	3.32%	0.12%	0.12%	0.12%	0.12%	0.12%	0.12%
Reykjavik Interbank Offered Rate (REIBOR)
Derivative [Line Items]
Variable rate		6.55%		2.65%				6.55%	6.55%	6.55%	6.55%	6.55%	6.55%	2.65%	2.65%	2.65%	2.65%	2.65%	2.65%
Stockholm Interbank Offered Rate (STIBOR)
Derivative [Line Items]
Variable rate		2.70%		(0.05%)				2.70%	2.70%	2.70%	2.70%	2.70%	2.70%	(0.05%)	(0.05%)	(0.05%)	(0.05%)	(0.05%)	(0.05%)
Sterling Interbank Offered Rate (SONIA)
Derivative [Line Items]
Variable rate		3.43%		0.19%				3.43%	3.43%	3.43%	3.43%	3.43%	3.43%	0.19%	0.19%	0.19%	0.19%	0.19%	0.19%
Secured Overnight Financing Rate (SOFR)
Derivative [Line Items]
Variable rate		4.59%		0.05%				4.59%	4.59%	4.59%	4.59%	4.59%	4.59%	0.05%	0.05%	0.05%	0.05%	0.05%	0.05%
U.S. Prime Lending Rate (Prime)
Derivative [Line Items]
Variable rate		7.50%		3.25%				7.50%	7.50%	7.50%	7.50%	7.50%	7.50%	3.25%	3.25%	3.25%	3.25%	3.25%	3.25%
Non-controlled/affiliated
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		$ 859.0		$ 533.8
Gross Additions		373.5		706.2	[4]
Gross Reductions		(741.3)	[5]	(667.2)	[6]
Net Realized Gain (Loss)		83.6		191.9		(132.0)
Net Change in Unrealized Appreciation (Depreciation)		(131.4)		94.3		(126.0)
Fair Value, ending balance		443.4		859.0		533.8
Interest Income		28.2	[7]	20.8	[8]
PIK Income		48.2	[7]	18.5	[8]	19.0
Fee income		5.6	[7]	1.9	[8]	0.0
Dividend Income		6.5	[7]	0.4	[8]	0.0
Controlled/affiliated
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		2,684.1		1,259.7
Gross Additions		801.5	[9]	1,568.4	[10]
Gross Reductions		(334.7)	[11]	(252.0)	[12]
Net Realized Gain (Loss)		(71.4)		(48.5)		(35.0)
Net Change in Unrealized Appreciation (Depreciation)		(171.1)		156.5		(112.0)
Fair Value, ending balance		2,908.4		2,684.1		1,259.7
Interest Income		58.2	[13]	25.0	[14]
PIK Income		43.1	[13]	35.9	[14]	4.0
Fee income		0.0	[13]	0.6	[14]	0.0
Dividend Income		228.7	[13]	165.7	[14]	80.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,AUD October 2022
Derivative [Line Items]
Value at Settlement				2.1										$ 3.0
Current Value				2.2
Derivatives Available for Offset				(0.1)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,AUD, February 2023
Derivative [Line Items]
Value at Settlement		1.6		1.6				$ 2.2						$ 2.2
Current Value		1.5		1.6
Derivative Assets Subject to Master Netting Agreement		0.1		0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,AUD, October 2024
Derivative [Line Items]
Value at Settlement		5.2						$ 8.3
Current Value		5.7
Derivatives Available for Offset		(0.5)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, January 2023 ,1
Derivative [Line Items]
Value at Settlement		1.2							$ 1.5
Current Value		1.1
Derivative Assets Subject to Master Netting Agreement		0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, January 2023 ,2
Derivative [Line Items]
Value at Settlement		1.1							1.5
Current Value		1.1
Derivative Assets Subject to Master Netting Agreement		0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, July 2023 1
Derivative [Line Items]
Value at Settlement		1.5							1.9
Current Value		1.4
Derivative Assets Subject to Master Netting Agreement		0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, July 2023 2
Derivative [Line Items]
Value at Settlement		1.1							1.4
Current Value		1.0
Derivative Assets Subject to Master Netting Agreement		0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, June 2022 ,1
Derivative [Line Items]
Value at Settlement				1.1											$ 1.4
Current Value				1.1
Derivative Assets Subject to Master Netting Agreement				0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, June 2022 ,2
Derivative [Line Items]
Value at Settlement				1.5											1.9
Current Value				1.5
Derivative Assets Subject to Master Netting Agreement				0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, November 2022
Derivative [Line Items]
Value at Settlement				1.2											1.5
Current Value				1.1
Derivative Assets Subject to Master Netting Agreement				0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, November 2022 ,1
Derivative [Line Items]
Value at Settlement				3.2											$ 4.0
Current Value				3.1
Derivative Assets Subject to Master Netting Agreement				0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, November 2024, 1
Derivative [Line Items]
Value at Settlement		3.2							4.0
Current Value		2.9
Derivative Assets Subject to Master Netting Agreement		0.3
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, November 2024, 2
Derivative [Line Items]
Value at Settlement		1.1							1.5
Current Value		1.1
Derivative Assets Subject to Master Netting Agreement		0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,CAD, September 2024
Derivative [Line Items]
Value at Settlement		1.6							$ 2.1
Current Value		1.6
Derivative Assets Subject to Master Netting Agreement		0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, August 2025, 1
Derivative [Line Items]
Value at Settlement		5.7								€ 4.8
Current Value		5.3
Derivative Assets Subject to Master Netting Agreement		0.4
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, August 2025, 2
Derivative [Line Items]
Value at Settlement		2.3								1.9
Current Value		2.1
Derivative Assets Subject to Master Netting Agreement		0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, August 2025,1
Derivative [Line Items]
Value at Settlement				5.7												€ 4.8
Current Value				5.7
Derivative Assets Subject to Master Netting Agreement				0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, August 2025,2
Derivative [Line Items]
Value at Settlement				2.3												1.9
Current Value				2.3
Derivative Assets Subject to Master Netting Agreement				0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, December 2023
Derivative [Line Items]
Value at Settlement		13.4								13.0
Current Value		14.2
Derivatives Available for Offset		(0.8)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, February 2021
Derivative [Line Items]
Value at Settlement				49.1												42.3
Current Value				49.4
Derivatives Available for Offset				(0.3)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, February, 2024
Derivative [Line Items]
Value at Settlement		49.1								42.3
Current Value		46.1
Derivative Assets Subject to Master Netting Agreement		3.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, July 2023
Derivative [Line Items]
Value at Settlement		1.7		1.7						€ 1.3						1.3
Current Value		1.4		1.5
Derivative Assets Subject to Master Netting Agreement		0.3		0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, June 2022 ,1
Derivative [Line Items]
Value at Settlement				7.5												6.1
Current Value				7.0
Derivative Assets Subject to Master Netting Agreement				0.5
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, June 2022 ,2
Derivative [Line Items]
Value at Settlement				2.0												1.6
Current Value				1.8
Derivative Assets Subject to Master Netting Agreement				0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, June 2022 ,3
Derivative [Line Items]
Value at Settlement				0.9												0.7
Current Value				0.8
Derivative Assets Subject to Master Netting Agreement				0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, June 2022 ,4
Derivative [Line Items]
Value at Settlement				2.7												2.2
Current Value				2.5
Derivative Assets Subject to Master Netting Agreement				0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, June 2022 ,5
Derivative [Line Items]
Value at Settlement				1.2												0.9
Current Value				1.1
Derivative Assets Subject to Master Netting Agreement				0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,EUR, September, 2022
Derivative [Line Items]
Value at Settlement				11.7												€ 10.0
Current Value				11.5
Derivative Assets Subject to Master Netting Agreement				0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GBP, January 2023,1
Derivative [Line Items]
Value at Settlement		2.9									£ 1.9
Current Value		2.3
Derivative Assets Subject to Master Netting Agreement		0.6
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GBP, January 2023,2
Derivative [Line Items]
Value at Settlement		2.6									1.7
Current Value		2.1
Derivative Assets Subject to Master Netting Agreement		0.5
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GBP, January 2023,3
Derivative [Line Items]
Value at Settlement		4.8									3.4
Current Value		4.1
Derivative Assets Subject to Master Netting Agreement		0.7
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GBP, January 2023,4
Derivative [Line Items]
Value at Settlement		6.6									5.0
Current Value		6.0
Derivative Assets Subject to Master Netting Agreement		0.6
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GBP, January 2023,5
Derivative [Line Items]
Value at Settlement		1.9									1.4
Current Value		1.7
Derivative Assets Subject to Master Netting Agreement		0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, January, 2023,1
Derivative [Line Items]
Value at Settlement				2.9													£ 1.9
Current Value				2.6
Derivative Assets Subject to Master Netting Agreement				0.3
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, January, 2023,2
Derivative [Line Items]
Value at Settlement				2.6													1.7
Current Value				2.3
Derivative Assets Subject to Master Netting Agreement				0.3
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, January, 2023,3
Derivative [Line Items]
Value at Settlement				4.8													3.4
Current Value				4.6
Derivative Assets Subject to Master Netting Agreement				0.2
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, January, 2023,4
Derivative [Line Items]
Value at Settlement				6.5													5.0
Current Value				6.6
Derivatives Available for Offset				(0.1)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, January, 2023,5
Derivative [Line Items]
Value at Settlement				1.9													1.4
Current Value				1.9
Derivative Assets Subject to Master Netting Agreement				0.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,GPB, October, 2023
Derivative [Line Items]
Value at Settlement		8.5		8.5							£ 6.2						£ 6.2
Current Value		7.5		8.4
Derivative Assets Subject to Master Netting Agreement		1.0		0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,NOK, August, 2025
Derivative [Line Items]
Value at Settlement		4.8										kr 45.0
Current Value		4.7
Derivative Assets Subject to Master Netting Agreement		0.1
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,NOK, August, 2025,1
Derivative [Line Items]
Value at Settlement				5.2														kr 49.1
Current Value				5.5
Derivatives Available for Offset				(0.3)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,NOK, August, 2025,2
Derivative [Line Items]
Value at Settlement				1.2														kr 11.4
Current Value				1.3
Derivatives Available for Offset				(0.1)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, Auguest,2025,1
Derivative [Line Items]
Value at Settlement				13.3															kr 119.3
Current Value				13.5
Derivatives Available for Offset				(0.2)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, Auguest,2025,2
Derivative [Line Items]
Value at Settlement				3.1															27.8
Current Value				3.2
Derivatives Available for Offset				(0.1)
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, August,2025,1
Derivative [Line Items]
Value at Settlement		13.3											kr 119.3
Current Value		11.8
Derivative Assets Subject to Master Netting Agreement		1.5
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, August,2025,2
Derivative [Line Items]
Value at Settlement		3.1											27.8
Current Value		2.7
Derivative Assets Subject to Master Netting Agreement		0.4
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, March,2024
Derivative [Line Items]
Value at Settlement				8.5															72.8
Current Value				8.2
Derivative Assets Subject to Master Netting Agreement				0.3
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May, 2024, 1
Derivative [Line Items]
Value at Settlement		60.1											503.0
Current Value		49.3
Derivative Assets Subject to Master Netting Agreement		10.8
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May, 2024, 2
Derivative [Line Items]
Value at Settlement		4.1											34.5
Current Value		3.4
Derivative Assets Subject to Master Netting Agreement		0.7
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May, 2024, 3
Derivative [Line Items]
Value at Settlement		8.1											68.0
Current Value		6.7
Derivative Assets Subject to Master Netting Agreement		1.4
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May, 2024, 4
Derivative [Line Items]
Value at Settlement		26.3											kr 250.0
Current Value		24.5
Derivative Assets Subject to Master Netting Agreement		1.8
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May,2024,1
Derivative [Line Items]
Value at Settlement				51.4															430.3
Current Value				48.4
Derivative Assets Subject to Master Netting Agreement				3.0
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May,2024,2
Derivative [Line Items]
Value at Settlement				60.1															503.0
Current Value				56.6
Derivative Assets Subject to Master Netting Agreement				3.5
Open Forward Foreign Currency Contract, Identifier [Axis]: JP Morgan Chase Bank ,SEK, May,2024,3
Derivative [Line Items]
Value at Settlement				4.1															kr 34.5
Current Value				3.9
Derivative Assets Subject to Master Netting Agreement				0.2
Investment, Identifier [Axis]: 3Pillar Global Inc, Senior Secured Loans—First Lien, Revolving Credit Facility, Software & Services, November, 23 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	9.1
Fair Value, ending balance	[1],[15]			9.1
Investment, Identifier [Axis]: 3Pillar Global Inc, Senior Secured Loans—First Lien, Revolving Credit Facility, Software & Services, November, 23 2027 - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[17],[18]	95.3
Fair Value, ending balance	[1],[16],[17],[18]			95.3
Investment, Identifier [Axis]: 3Pillar Global Inc, Senior Secured Loans—First Lien, Revolving Credit Facility, Software & Services, November, 23 2027 - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	30.2
Fair Value, ending balance	[1],[15]			30.2
Investment, Identifier [Axis]: 3Pillar Global Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23]	96.7
Investment, Identifier [Axis]: 3Pillar Global Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.8
Investment, Identifier [Axis]: 3Pillar Global Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	23.8
Investment, Identifier [Axis]: 48Forty Solutions LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[25],[26]	177.8
Investment, Identifier [Axis]: 48Forty Solutions LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	10.3
Investment, Identifier [Axis]: 5 Arch Income Fund 2 LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[28],[29],[30],[31]	78.3
Fair Value, ending balance	[1],[27],[28],[29],[30],[31]			78.3
Investment, Identifier [Axis]: 5 Arch Income Fund 2 LLC, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[32],[33],[34],[35],[36]	52.5
Investment, Identifier [Axis]: 801 5th Ave, Seattle, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		23.1		10.3
Gross Additions		0.0	[9]	9.6	[10]
Gross Reductions		(0.1)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(16.7)		3.2
Fair Value, ending balance		6.3		23.1		10.3
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: 801 5th Ave, Seattle, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	23.1
Fair Value, ending balance		6.3	[19],[22],[35],[36],[39]	23.1	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: 801 5th Ave, Seattle, Structure Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		57.2		29.4
Gross Additions		1.9	[9]	25.7	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.2)		2.1
Fair Value, ending balance		58.9		57.2		29.4
Interest Income		4.7	[13]	3.6	[14]
PIK Income		1.7	[13]	1.3	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: 801 5th Ave, Seattle, Structure Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[37],[38]	57.2
Fair Value, ending balance		58.9	[19],[22],[36],[39]	57.2	[1],[31],[37],[38]
Investment, Identifier [Axis]: ASG Technologies, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		42.7
Gross Additions	[4]			0.0
Gross Reductions	[6]			(79.4)
Net Realized Gain (Loss)				56.0
Net Change in Unrealized Appreciation (Depreciation)				(19.3)
Fair Value, ending balance				0.0		42.7
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: ASG Technologies, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		3.5
Gross Additions	[4]			0.0
Gross Reductions	[6]			(10.2)
Net Realized Gain (Loss)				3.7
Net Change in Unrealized Appreciation (Depreciation)				3.0
Fair Value, ending balance				0.0		3.5
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: ATX Networks Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[31],[37],[38],[40]	7.1
Fair Value, ending balance	[1],[27],[30],[31],[37],[38],[40]			7.1
Investment, Identifier [Axis]: ATX Networks Corp 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		46.8	[1],[31],[37],[38],[40]	0.0
Gross Additions		0.4	[9]	46.8	[10]
Gross Reductions		(6.6)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		40.6		46.8	[1],[31],[37],[38],[40]	0.0
Interest Income		3.2	[13]	1.3	[14]
PIK Income		1.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: ATX Networks Corp 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		7.1		0.0
Gross Additions		3.6	[9]	4.8	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		11.2		2.3
Fair Value, ending balance		21.9		7.1		0.0
Interest Income		1.6	[13]	0.0	[14]
PIK Income		1.5	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: ATX Networks Corp, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[39],[41]	40.6
Investment, Identifier [Axis]: ATX Networks Corp, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[39],[41],[42]	21.9
Investment, Identifier [Axis]: ATX Networks Corp, Class B-1 Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	5.0
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		5.0		0.0
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: ATX Networks Corp, Class B-1 Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[36],[39]	5.0
Investment, Identifier [Axis]: ATX Networks Corp, Class B-2 Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	4.0
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		5.0
Fair Value, ending balance		9.0		0.0
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: ATX Networks Corp, Class B-2 Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[36],[39]	9.0
Investment, Identifier [Axis]: ATX Networks Corp, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		1.7	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		27.5		0.0
Fair Value, ending balance		29.2		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: ATX Networks Corp, Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38],[40]	0.0
Fair Value, ending balance		29.2	[3],[22],[35],[36],[39],[41],[42]	0.0	[1],[30],[31],[37],[38],[40]
Investment, Identifier [Axis]: AVF Parent LLC, Trade Claim, Retailing
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Abaco Energy Technologies LLC, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.3
Fair Value, ending balance		0.5	[3],[22],[35]	0.3	[1],[30],[38]
Investment, Identifier [Axis]: Abaco Energy Technologies LLC, Preferred Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	1.7
Fair Value, ending balance		3.7	[3],[22],[35]	1.7	[1],[30],[38]
Investment, Identifier [Axis]: Abacus JV, Private Equity, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	48.1
Fair Value, ending balance		53.3	[19],[22],[36]	48.1	[1],[31],[38]
Investment, Identifier [Axis]: Accelerator Investments Aggregator LP, Private Equity, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	4.7
Fair Value, ending balance		3.4	[19],[22],[35],[36]	4.7	[1],[30],[31],[38]
Investment, Identifier [Axis]: Accuride Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[43]	8.7
Fair Value, ending balance	[1],[18],[43]			8.7
Investment, Identifier [Axis]: Accuride Corp, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[44]	7.6
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery ,Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing May, 7 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.6
Fair Value, ending balance	[1],[15]			3.6
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery ,Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing May, 7 2027 - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[45],[46]	45.0
Fair Value, ending balance	[1],[38],[45],[46]			45.0
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery ,Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing May, 7 2027- 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.2
Fair Value, ending balance	[1],[15]			4.2
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[26],[47]	45.6
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	2.2
Investment, Identifier [Axis]: Advanced Dermatology & Cosmetic Surgery, Health Care Equipment & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	3.5
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		12.0
Gross Additions	[10]			4.1
Gross Reductions	[12]			(15.9)
Net Realized Gain (Loss)				(4.6)
Net Change in Unrealized Appreciation (Depreciation)				4.4
Fair Value, ending balance				0.0		12.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			(0.7)
Net Realized Gain (Loss)				(22.9)
Net Change in Unrealized Appreciation (Depreciation)				23.6
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				(16.5)
Net Change in Unrealized Appreciation (Depreciation)				16.5
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	3.4
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc, Senior Secured Loans, Second Lien
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38]	6.4
Fair Value, ending balance	[1],[27],[30],[38]			6.4
Investment, Identifier [Axis]: Advanced Lighting Technologies Inc, Warrant
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				(0.1)
Net Change in Unrealized Appreciation (Depreciation)				0.1
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Advania Sverige AB, Senior Secured Loans—First Lien, Software & Services, April 28, 2028 - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	68.9
Fair Value, ending balance	[1],[31],[38]			68.9
Investment, Identifier [Axis]: Advania Sverige AB, Senior Secured Loans—First Lien, Software & Services, April 28, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	10.3
Fair Value, ending balance	[1],[31],[38]			10.3
Investment, Identifier [Axis]: Advania Sverige AB, Senior Secured Loans—First Lien, Software & Services, April 28, 2028 -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	37.2
Fair Value, ending balance	[1],[15],[31]			37.2
Investment, Identifier [Axis]: Advania Sverige AB, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	86.0
Investment, Identifier [Axis]: Advania Sverige AB, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	9.2
Investment, Identifier [Axis]: Affordable Care Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.3	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Affordable Care Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		59.9		0.0
Gross Additions		16.2	[48]	115.5	[4]
Gross Reductions		(21.4)	[5]	(55.9)	[6]
Net Realized Gain (Loss)		0.0		0.3
Net Change in Unrealized Appreciation (Depreciation)		(1.6)		0.0
Fair Value, ending balance		53.1		59.9		0.0
Interest Income		4.1	[7]	2.7	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.2	[7]	1.6	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Affordable Care Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		52.1		0.0
Gross Additions		0.0	[48]	48.1	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(2.2)		4.0
Fair Value, ending balance		49.9		52.1		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		5.5	[7]	2.3	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Affordable Care Inc, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47],[49]	52.5
Investment, Identifier [Axis]: Affordable Care Inc, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[49]	1.4
Investment, Identifier [Axis]: Affordable Care Inc, Health Care Equipment & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[49]	27.8
Investment, Identifier [Axis]: Affordable Care Inc, Health Care Equipment & Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[49]	11.2
Investment, Identifier [Axis]: Affordable Care Inc, Preferred Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	52.1
Fair Value, ending balance		49.9	[3],[22],[49]	52.1	[1],[38],[50]
Investment, Identifier [Axis]: Affordable Care Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing August 2, 2027
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[50]	12.8
Fair Value, ending balance	[1],[15],[50]			12.8
Investment, Identifier [Axis]: Affordable Care Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing August 2, 2028 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	60.1
Fair Value, ending balance	[1],[38],[50]			60.1
Investment, Identifier [Axis]: Affordable Care Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing August 2, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[50]	42.9
Fair Value, ending balance	[1],[15],[50]			42.9
Investment, Identifier [Axis]: Alacrity Solutions Group LLC, Senior Secured Loans—First Lien, Insurance, Maturing December 22, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	1.1
Fair Value, ending balance	[1],[38]			1.1
Investment, Identifier [Axis]: Alacrity Solutions Group LLC, Senior Secured Loans—First Lien, Insurance, Maturing December 22, 2027-2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	9.5
Fair Value, ending balance	[1],[15]			9.5
Investment, Identifier [Axis]: Alacrity Solutions Group LLC, Senior Secured Loans—First Lien, Insurance, Maturing December 22, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	68.2
Fair Value, ending balance	[1],[38]			68.2
Investment, Identifier [Axis]: Alacrity Solutions Group LLC, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	27.3
Investment, Identifier [Axis]: Alacrity Solutions Group LLC, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	10.4
Investment, Identifier [Axis]: Alera Group Intermediate Holdings Inc, Alacrity Solutions Group LLC, Senior Secured Loans—First Lien, Insurance, Maturing October 2, 2028 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	21.2
Fair Value, ending balance	[1],[38]			21.2
Investment, Identifier [Axis]: Alera Group Intermediate Holdings Inc, Alacrity Solutions Group LLC, Senior Secured Loans—First Lien, Insurance, Maturing October 2, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	22.7
Fair Value, ending balance	[1],[15]			22.7
Investment, Identifier [Axis]: Alera Group Intermediate Holdings Inc, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[47]	8.7
Investment, Identifier [Axis]: Alera Group Intermediate Holdings Inc, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	21.4
Investment, Identifier [Axis]: Altavair AirFinance, Private Equity, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	114.3
Fair Value, ending balance		162.1	[19],[22],[36]	114.3	[1],[31],[38]
Investment, Identifier [Axis]: American Vision Partners, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23]	109.1
Investment, Identifier [Axis]: American Vision Partners, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	7.5
Investment, Identifier [Axis]: American Vision Partners, Private Equity, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	2.4
Fair Value, ending balance		2.2	[3],[22],[35]	2.4	[1],[30],[38]
Investment, Identifier [Axis]: American Vision Partners, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing September 30, 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.7
Fair Value, ending balance	[1],[15]			7.7
Investment, Identifier [Axis]: American Vision Partners, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing September 30, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[51]	94.3
Fair Value, ending balance	[1],[38],[51]			94.3
Investment, Identifier [Axis]: American Vision Partners, Senior Secured Loans—First Lien, Health Care Equipment & Services, Maturing September 30, 2027 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	38.7
Fair Value, ending balance	[1],[15]			38.7
Investment, Identifier [Axis]: Amerivet Partners Management Inc, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	91.8
Investment, Identifier [Axis]: Amerivet Partners Management Inc, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	16.6
Investment, Identifier [Axis]: Amerivet Partners Management Inc, Health Care Equipment & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.1
Investment, Identifier [Axis]: Amerivet Partners Management Inc, Health Care Equipment & Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	48.2
Investment, Identifier [Axis]: Amerivet Partners Management Inc, Preferred Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22]	11.8
Investment, Identifier [Axis]: Ammeraal Beltech Holding BV
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[40],[52]	44.3
Fair Value, ending balance	[1],[31],[38],[40],[52]			44.3
Investment, Identifier [Axis]: Ammeraal Beltech Holding BV, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[36],[41]	23.0
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[31],[37],[38]	0.0
Fair Value, ending balance	[1],[27],[30],[31],[37],[38]			0.0
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		34.8	[1],[27],[30],[31],[37],[38]	59.7
Gross Additions		0.0	[9]	2.4	[10]
Gross Reductions		(24.3)	[11]	0.0	[12]
Net Realized Gain (Loss)		(4.3)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(2.3)		(27.3)
Fair Value, ending balance		3.9		34.8	[1],[27],[30],[31],[37],[38]	59.7
Interest Income		0.0	[13]	1.1	[14]
PIK Income		0.0	[13]	1.4	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.1
Gross Additions		0.0	[9]	(1.8)	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		(39.1)		(10.4)
Net Change in Unrealized Appreciation (Depreciation)		39.1		12.1
Fair Value, ending balance		0.0		0.0		0.1
Interest Income		0.0	[13]	(1.9)	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Common Stock, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38],[53]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39],[54]	0.0	[1],[30],[31],[37],[38],[53]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Ordinary Shares
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Ordinary Shares, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Private Equity, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Amtek Global Technology Pte Ltd, Trade Claim
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			(1.4)
Net Realized Gain (Loss)				0.4
Net Change in Unrealized Appreciation (Depreciation)				1.0
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Angelica Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[55]	5.2
Fair Value, ending balance	[1],[27],[30],[55]			5.2
Investment, Identifier [Axis]: Angelica Corp, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[32],[35],[56]	0.9
Investment, Identifier [Axis]: Angelica Corp, Limited Partnership Interest, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[55]	0.0
Fair Value, ending balance		0.0	[3],[35],[56]	0.0	[1],[30],[55]
Investment, Identifier [Axis]: Apex Group Limited
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	8.0
Fair Value, ending balance	[1],[31],[38]			8.0
Investment, Identifier [Axis]: Apex Group Limited, Diversified Financials 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	2.4
Investment, Identifier [Axis]: Apex Group Limited, Diversified Financials 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	2.0
Investment, Identifier [Axis]: Apex Group Limited, Diversified Financials 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	51.7
Investment, Identifier [Axis]: Arcfield Acquisition Corp, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[23],[26]	39.4
Investment, Identifier [Axis]: Arcfield Acquisition Corp, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.9
Investment, Identifier [Axis]: Arcos LLC/VA, Preferred Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	15.5
Fair Value, ending balance		13.4	[3],[22]	15.5	[1],[38]
Investment, Identifier [Axis]: Arcos LLC/VA, Senior Secured Loans—First Lien, Software & Services, Maturing April 20, 2027
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.5
Fair Value, ending balance	[1],[15]			4.5
Investment, Identifier [Axis]: Arcos LLC/VA, Senior Secured Loans—First Lien, Software & Services, Maturing March 31, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[46]	12.4
Fair Value, ending balance	[1],[46]			12.4
Investment, Identifier [Axis]: Arcos LLC/VA, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[47]	11.4
Investment, Identifier [Axis]: Arcos LLC/VA, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.2
Investment, Identifier [Axis]: Ardonagh Group Ltd
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[43]	1.0
Fair Value, ending balance	[1],[31],[38],[43]			1.0
Investment, Identifier [Axis]: Ardonagh Group Ltd, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	0.9
Investment, Identifier [Axis]: Ardonagh Group Ltd, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	20.2
Investment, Identifier [Axis]: Ardonagh Group Ltd, Insurance 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	0.9
Investment, Identifier [Axis]: Ardonagh Group Ltd, Senior Secured Loans—First Lien, Insurance, Maturing July 14, 2026 - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	22.1
Fair Value, ending balance	[1],[15],[31]			22.1
Investment, Identifier [Axis]: Ardonagh Group Ltd, Senior Secured Loans—First Lien, Insurance, Maturing July 14, 2026 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	1.1
Fair Value, ending balance	[1],[31],[38]			1.1
Investment, Identifier [Axis]: Ardonagh Group Ltd, Senior Secured Loans—First Lien, Insurance, Maturing July 14, 2026 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	13.9
Fair Value, ending balance	[1],[31],[38]			13.9
Investment, Identifier [Axis]: Ardonagh Ltd, Ordinary Shares, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	2.8
Fair Value, ending balance	[1],[30],[31],[38]			2.8
Investment, Identifier [Axis]: Ardonagh Ltd, Ordinary Shares, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	0.5
Fair Value, ending balance	[1],[30],[31],[38]			0.5
Investment, Identifier [Axis]: Ardonagh Ltd, Preferred Stock, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	22.0
Fair Value, ending balance	[1],[30],[31],[38]			22.0
Investment, Identifier [Axis]: Arena Energy LP, Warrants, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.6
Fair Value, ending balance		0.5	[3],[22]	0.6	[1],[30],[38]
Investment, Identifier [Axis]: Arrotex Australia Group Pty Ltd, Senior Secured Loans—First Lien, Pharmaceuticals, Biotechnology & Life Sciences, July 10, 2024 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	30.9
Fair Value, ending balance	[1],[31],[38]			30.9
Investment, Identifier [Axis]: Arrotex Australia Group Pty Ltd, Senior Secured Loans—First Lien, Pharmaceuticals, Biotechnology & Life Sciences, July 10, 2024 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	2.3
Fair Value, ending balance	[1],[31],[38]			2.3
Investment, Identifier [Axis]: Arrotex Australia Group Pty Ltd, Pharmaceuticals, Biotechnology & Life Sciences 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	29.0
Investment, Identifier [Axis]: Arrotex Australia Group Pty Ltd, Pharmaceuticals, Biotechnology & Life Sciences 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	2.1
Investment, Identifier [Axis]: Ascent Resources Utica Holdings LLC / ARU Finance Corp, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[57]	2.3
Fair Value, ending balance		3.6	[3],[35],[58]	2.3	[1],[30],[57]
Investment, Identifier [Axis]: Ascent Resources Utica Holdings LLC / ARU Finance Corp, Trade Claim, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[57]	19.8
Fair Value, ending balance		30.5	[3],[35],[58]	19.8	[1],[30],[57]
Investment, Identifier [Axis]: Aspect Software Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	0.3
Fair Value, ending balance	[1],[38]			0.3
Investment, Identifier [Axis]: Aspect Software Inc, Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[30],[38],[40]	2.7
Fair Value, ending balance	[1],[18],[30],[38],[40]			2.7
Investment, Identifier [Axis]: Aspect Software Inc, Warrant, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[30],[38],[40]	0.3
Fair Value, ending balance	[1],[18],[30],[38],[40]			0.3
Investment, Identifier [Axis]: Australis Maritime, Common Stock, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	46.7
Fair Value, ending balance		49.3	[19],[22],[36]	46.7	[1],[31],[38]
Investment, Identifier [Axis]: Avenue One PropCo, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	46.3
Gross Reductions	[11]	(16.2)
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.9
Fair Value, ending balance		31.0		0.0
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: Avenue One PropCo, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36],[39]	31.0
Investment, Identifier [Axis]: Avida Holding AB, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		52.3		38.3
Gross Additions		0.0	[9]	9.1	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(9.7)		4.9
Fair Value, ending balance		42.6		52.3		38.3
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Avida Holding AB, Common Stock, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	52.3
Fair Value, ending balance		42.6	[19],[22],[35],[36],[39]	52.3	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: AxiomSL Ltd, Senior Secured Loans—First Lien, Software & Services, Maturing December 3, 2025
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	2.4
Fair Value, ending balance	[1],[15]			2.4
Investment, Identifier [Axis]: AxiomSL Ltd, Senior Secured Loans—First Lien, Software & Services, Maturing December 3, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[45],[46],[52]	34.4
Fair Value, ending balance	[1],[38],[45],[46],[52]			34.4
Investment, Identifier [Axis]: AxiomSL Ltd, Senior Secured Loans—First Lien, Software & Services, Maturing December 3, 2027- 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	2.2
Fair Value, ending balance	[1],[15]			2.2
Investment, Identifier [Axis]: AxiomSL Ltd, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[26],[47]	33.7
Investment, Identifier [Axis]: AxiomSL Ltd, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.4
Investment, Identifier [Axis]: AxiomSL Ltd, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.2
Investment, Identifier [Axis]: BGB Group LLC, Media & Entertainment 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[23],[25],[26],[47]	108.4
Investment, Identifier [Axis]: BGB Group LLC, Media & Entertainment 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	19.5
Investment, Identifier [Axis]: BGB Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[51],[52]	118.0
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[51],[52]			118.0
Investment, Identifier [Axis]: BGB Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	19.8
Fair Value, ending balance	[1],[15]			19.8
Investment, Identifier [Axis]: Bank of Ireland, Class B Credit Linked Floating Rate Note, Banks
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[53]	14.7
Fair Value, ending balance	[1],[31],[53]			14.7
Investment, Identifier [Axis]: Bankers Healthcare Group LLC, Term Loan, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	11.3
Investment, Identifier [Axis]: Barbri Inc, Consumer Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[25],[26],[47]	61.0
Investment, Identifier [Axis]: Barbri Inc, Consumer Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22]	69.7
Investment, Identifier [Axis]: Barbri Inc, Consumer Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	9.1
Investment, Identifier [Axis]: Barbri Inc, Senior Secured Loans—First Lien, Consumer Services, Maturing April 28, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[52]	92.4
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[52]			92.4
Investment, Identifier [Axis]: Barbri Inc, Senior Secured Loans—First Lien, Consumer Services, Maturing April 30, 2028 - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18]	34.8
Fair Value, ending balance	[1],[17],[18]			34.8
Investment, Identifier [Axis]: Barbri Inc, Senior Secured Loans—First Lien, Consumer Services, Maturing April 30, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	14.6
Fair Value, ending balance	[1],[15]			14.6
Investment, Identifier [Axis]: Belk Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		6.7	[1],[27],[30],[38],[50]	0.0
Gross Additions	[4]			4.2
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				2.5
Fair Value, ending balance				6.7	[1],[27],[30],[38],[50]	0.0
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Belk Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		49.2		0.0
Gross Additions		4.7	[48]	42.6	[4]
Gross Reductions		(2.2)	[5]	(2.4)	[6]
Net Realized Gain (Loss)		(0.2)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(42.7)		9.0
Fair Value, ending balance		8.8		49.2		0.0
Interest Income		3.7	[7]	3.1	[8]
PIK Income		2.7	[7]	0.9	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Belk Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		21.9		0.0
Gross Additions		0.1	[48]	21.7	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(2.6)		0.2
Fair Value, ending balance		19.4		21.9		0.0
Interest Income		2.2	[7]	1.6	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Belk Inc 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		6.7
Gross Additions	[48]	0.0
Gross Reductions	[5]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(3.4)
Fair Value, ending balance		3.3		6.7
Interest Income	[7]	0.0
PIK Income	[7]	0.0
Fee income	[7]	0.0
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: Belk Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Belk Inc, Common Stock, Retailing
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[50],[55],[59]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[49]	0.0	[1],[30],[50],[55],[59]
Investment, Identifier [Axis]: Belk Inc, Retailing 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44],[49]	19.4
Investment, Identifier [Axis]: Belk Inc, Retailing 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[44],[49]	8.8
Investment, Identifier [Axis]: Belk Inc, Retailing 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[49]	3.3
Investment, Identifier [Axis]: Belk Inc, Senior Secured Loans—First Lien, Retailing, Maturing July 31, 2025 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[50]	21.9
Fair Value, ending balance	[1],[38],[43],[50]			21.9
Investment, Identifier [Axis]: Belk Inc, Senior Secured Loans—First Lien, Retailing, Maturing July 31, 2025 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[50]	49.2
Fair Value, ending balance	[1],[38],[43],[50]			49.2
Investment, Identifier [Axis]: Borden (New Dairy Opco) 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	42.0
Gross Additions	[48]	0.1
Gross Reductions	[5]	(42.0)
Net Realized Gain (Loss)		1.7
Net Change in Unrealized Appreciation (Depreciation)		(1.8)
Fair Value, ending balance		0.0		42.0	[1],[38],[50]
Interest Income	[7]	0.9
PIK Income	[7]	0.0
Fee income	[7]	1.3
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: Borden (New Dairy Opco) 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	9.0
Gross Additions	[48]	0.0
Gross Reductions	[5]	(9.0)
Net Realized Gain (Loss)		0.6
Net Change in Unrealized Appreciation (Depreciation)		(0.6)
Fair Value, ending balance		0.0		9.0	[1],[38],[50]
Interest Income	[7]	0.1
PIK Income	[7]	0.0
Fee income	[7]	0.3
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: Borden (New Dairy Opco) 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.0		7.6
Gross Additions	[4]			10.6
Gross Reductions	[6]			(10.0)
Net Realized Gain (Loss)				0.2
Net Change in Unrealized Appreciation (Depreciation)				0.6
Fair Value, ending balance				9.0		7.6
Interest Income	[8]			0.5
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Borden (New Dairy Opco) 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		42.0		16.8
Gross Additions	[4]			23.4
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				1.8
Fair Value, ending balance				42.0		16.8
Interest Income	[8]			2.7
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Borden (New Dairy Opco), Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		7.7		3.2
Gross Additions		0.0	[48]	5.2	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(2.9)		(0.7)
Fair Value, ending balance		4.8		7.7		3.2
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Borden (New Dairy Opco), Common Stock, Food, Beverage & Tobacco
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[50],[55],[59]	7.7
Fair Value, ending balance		4.8	[3],[35],[49],[56],[60]	7.7	[1],[30],[50],[55],[59]
Investment, Identifier [Axis]: Borden Dairy Co
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0	[1],[27],[30],[38],[50]	0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		(25.4)		1.3
Net Change in Unrealized Appreciation (Depreciation)		25.4		(1.3)
Fair Value, ending balance		0.0		0.0	[1],[27],[30],[38],[50]	0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Bowery Farming Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	69.3
Fair Value, ending balance	[1],[38]			69.3
Investment, Identifier [Axis]: Bowery Farming Inc, Food, Beverage & Tobacco
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	70.3
Investment, Identifier [Axis]: Bowery Farming Inc, Warrants, Food, Beverage & Tobacco
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	5.2
Fair Value, ending balance		2.5	[3],[22],[35]	5.2	[1],[30],[38]
Investment, Identifier [Axis]: Byrider Finance LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[61]	54.4
Fair Value, ending balance	[1],[38],[61]			54.4
Investment, Identifier [Axis]: Byrider Finance LLC, Private Equity, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[62]	0.0
Investment, Identifier [Axis]: Byrider Finance LLC, Structured Mezzanine, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	23.0
Fair Value, ending balance	[1],[15]			23.0
Investment, Identifier [Axis]: Byrider Finance LLC, Structured Mezzanine, Automobiles & Components 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	16.1
Investment, Identifier [Axis]: Byrider Finance LLC, Structured Mezzanine, Automobiles & Components 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.8
Investment, Identifier [Axis]: Byrider Finance LLC, Term Loan, Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[62]	5.0
Investment, Identifier [Axis]: CDS US Intermediate Holdings Inc, Warrant, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	0.0
Fair Value, ending balance		4.0	[3],[22],[35],[36]	0.0	[1],[30],[31],[38]
Investment, Identifier [Axis]: CFC Underwriting Ltd, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	5.7
Investment, Identifier [Axis]: CSafe Global, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[25],[26],[47]	186.8
Investment, Identifier [Axis]: CSafe Global, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	32.8
Investment, Identifier [Axis]: CSafe Global, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	11.8
Investment, Identifier [Axis]: CSafe Global, Capital Goods 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	34.7
Investment, Identifier [Axis]: CSafe Global, Senior Secured Loans—First Lien, Capital Goods, August 13, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	11.9
Fair Value, ending balance	[1],[38]			11.9
Investment, Identifier [Axis]: CSafe Global, Senior Secured Loans—First Lien, Capital Goods, December 23, 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	34.6
Fair Value, ending balance	[1],[15]			34.6
Investment, Identifier [Axis]: CSafe Global, Senior Secured Loans—First Lien, Capital Goods, December 23, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[51],[52]	188.7
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[51],[52]			188.7
Investment, Identifier [Axis]: CSafe Global, Senior Secured Loans—First Lien, Capital Goods, December 23, 2027 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	37.1
Fair Value, ending balance	[1],[38]			37.1
Investment, Identifier [Axis]: CTI Foods Holding Co LLC, Common Stock, Food, Beverage & Tobacco
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Caldic BV, Retailing 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	0.8
Investment, Identifier [Axis]: Caldic BV, Retailing 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	1.4
Investment, Identifier [Axis]: Caldic BV, Retailing 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	38.2
Investment, Identifier [Axis]: Callodine Commercial Finance LLC, 2L Term Loan A, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	125.6
Fair Value, ending balance		125.3	[19],[22]	125.6	[1],[38]
Investment, Identifier [Axis]: Callodine Commercial Finance LLC, 2L Term Loan B, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	40.5
Fair Value, ending balance	[1],[15]			40.5
Investment, Identifier [Axis]: Callodine Commercial Finance LLC, 2L Term Loan B, Diversified Financials 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	12.0
Investment, Identifier [Axis]: Callodine Commercial Finance LLC, 2L Term Loan B, Diversified Financials 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	36.1
Investment, Identifier [Axis]: Capital Automotive LP, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	28.1
Fair Value, ending balance		27.0	[19],[22],[36]	28.1	[1],[31],[38]
Investment, Identifier [Axis]: Capital Automotive LP, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	42.7
Fair Value, ending balance		42.4	[19],[22],[36]	42.7	[1],[31],[38]
Investment, Identifier [Axis]: Catalina Marketing Corp, Common Stock, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Cengage Learning, Inc, Common Stock, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	4.2
Fair Value, ending balance		3.6	[3],[22],[35]	4.2	[1],[30],[38]
Investment, Identifier [Axis]: Charlotte Russe Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[4]			0.0
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				(12.5)
Net Change in Unrealized Appreciation (Depreciation)				12.5
Fair Value, ending balance				0.0		0.0
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Cimarron Energy Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38]	3.6
Fair Value, ending balance	[1],[27],[30],[38]			3.6
Investment, Identifier [Axis]: Cimarron Energy Inc, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Cimarron Energy Inc, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	3.7
Investment, Identifier [Axis]: Cimarron Energy Inc, Participation Option, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Clarience Technologies LLC, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[22],[23],[25],[41],[47]	287.9
Investment, Identifier [Axis]: Clarience Technologies LLC, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	24.9
Investment, Identifier [Axis]: Clarience Technologies LLC, Senior Secured Loans—First Lien, Capital Goods, December 13, 2024
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	11.1
Fair Value, ending balance	[1],[15]			11.1
Investment, Identifier [Axis]: Clarience Technologies LLC, Senior Secured Loans—First Lien, Capital Goods, December 14, 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[38],[40],[46],[51],[52]	270.7
Fair Value, ending balance	[1],[17],[38],[40],[46],[51],[52]			270.7
Investment, Identifier [Axis]: Clarience Technologies LLC, Senior Secured Loans—First Lien, Capital Goods, December 31, 2026 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	18.4
Fair Value, ending balance	[1],[38]			18.4
Investment, Identifier [Axis]: Clarience Technologies LLC, Senior Secured Loans—First Lien, Capital Goods, December 31, 2026 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	25.4
Fair Value, ending balance	[1],[15]			25.4
Investment, Identifier [Axis]: ClubCorp Club Operations Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	35.7
Fair Value, ending balance	[1],[38],[43]			35.7
Investment, Identifier [Axis]: Community Brands Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	31.6
Investment, Identifier [Axis]: Community Brands Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	3.7
Investment, Identifier [Axis]: Community Brands Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.9
Investment, Identifier [Axis]: Constellis Holdings LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50],[52]	12.0
Fair Value, ending balance	[1],[38],[50],[52]			12.0
Investment, Identifier [Axis]: Constellis Holdings LLC 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		15.0	[1],[38],[50]	0.0
Gross Additions		0.4	[48]	14.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.4)		1.0
Fair Value, ending balance		15.0		15.0	[1],[38],[50]	0.0
Interest Income		1.8	[7]	0.9	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Constellis Holdings LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		12.0		0.0
Gross Additions		0.3	[48]	12.5	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		1.2		(0.5)
Fair Value, ending balance		13.5		12.0		0.0
Interest Income		2.0	[7]	0.6	[8]
PIK Income		0.0	[7]	0.4	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Constellis Holdings LLC, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[49]	15.0
Investment, Identifier [Axis]: Constellis Holdings LLC, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[49]	13.5
Investment, Identifier [Axis]: Constellis Holdings LLC, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.2		0.0
Gross Additions		0.0	[48]	10.3	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		6.1		(10.1)
Fair Value, ending balance		6.3		0.2		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Constellis Holdings LLC, Private Equity, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50],[52]	0.2
Fair Value, ending balance		6.3	[3],[22],[25],[35],[49]	0.2	[1],[30],[38],[50],[52]
Investment, Identifier [Axis]: Corsearch Intermediate Inc, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	30.1
Fair Value, ending balance	[1],[38],[46]			30.1
Investment, Identifier [Axis]: Corsearch Intermediate Inc, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.4
Fair Value, ending balance	[1],[15]			4.4
Investment, Identifier [Axis]: Corsearch Intermediate Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	29.8
Investment, Identifier [Axis]: Corsearch Intermediate Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.4
Investment, Identifier [Axis]: Credit Opportunities Partners JV, LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,396.2
Gross Additions	[9]	175.0
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(142.9)
Fair Value, ending balance		1,428.3		1,396.2
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income		208.3
Investment, Identifier [Axis]: Credit Opportunities Partners JV, LLC, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[37],[38]	1,396.2
Fair Value, ending balance		1,428.3	[19],[22],[36],[39]	1,396.2	[1],[31],[37],[38]
Investment, Identifier [Axis]: Cubic Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	55.6
Fair Value, ending balance	[1],[38]			55.6
Investment, Identifier [Axis]: Cubic Corp, Preferred Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	42.3
Fair Value, ending balance		34.7	[3],[22]	42.3	[1],[38]
Investment, Identifier [Axis]: Cubic Corp, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	40.6
Investment, Identifier [Axis]: DOC Generici Srl, Pharmaceuticals, Biotechnology & Life Sciences 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	24.1
Investment, Identifier [Axis]: DOC Generici Srl, Pharmaceuticals, Biotechnology & Life Sciences 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	2.2
Investment, Identifier [Axis]: Datatel Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	184.6
Fair Value, ending balance	[1],[38]			184.6
Investment, Identifier [Axis]: Dental Care Alliance Inc, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[22],[25],[26],[47]	132.7
Investment, Identifier [Axis]: Dental Care Alliance Inc, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.6
Investment, Identifier [Axis]: Dental Care Alliance Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[38],[45],[46],[52]	90.4
Fair Value, ending balance	[1],[17],[38],[45],[46],[52]			90.4
Investment, Identifier [Axis]: Dental Care Alliance Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	8.7
Fair Value, ending balance	[1],[38]			8.7
Investment, Identifier [Axis]: Dental Care Alliance Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	13.7
Fair Value, ending balance	[1],[15]			13.7
Investment, Identifier [Axis]: Element Materials Technology Group US Holdings Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[43]	1.9
Fair Value, ending balance	[1],[31],[38],[43]			1.9
Investment, Identifier [Axis]: Element Materials Technology Group US Holdings Inc, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	0.4
Investment, Identifier [Axis]: Element Materials Technology Group US Holdings Inc, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	1.4
Investment, Identifier [Axis]: Element Materials Technology Group US Holdings Inc, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	64.6
Investment, Identifier [Axis]: Ellucian Inc, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	177.5
Investment, Identifier [Axis]: Encora Digital Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	20.9
Fair Value, ending balance	[1],[38]			20.9
Investment, Identifier [Axis]: Encora Digital Inc, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	79.7
Fair Value, ending balance	[1],[38]			79.7
Investment, Identifier [Axis]: Encora Digital Inc, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	19.2
Fair Value, ending balance	[1],[15]			19.2
Investment, Identifier [Axis]: Encora Digital Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	61.7
Investment, Identifier [Axis]: Encora Digital Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	18.6
Investment, Identifier [Axis]: Encora Digital Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	22.6
Investment, Identifier [Axis]: Entertainment Benefits Group LLC, Senior Secured Loans—First Lien Media & Entertainment, September 30, 2024 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	0.4
Fair Value, ending balance	[1],[38]			0.4
Investment, Identifier [Axis]: Entertainment Benefits Group LLC, Senior Secured Loans—First Lien Media & Entertainment, September 30, 2024 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	9.9
Fair Value, ending balance	[1],[15]			9.9
Investment, Identifier [Axis]: Entertainment Benefits Group LLC, Senior Secured Loans—First Lien Media & Entertainment, September 30, 2025
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[46],[52]	61.7
Fair Value, ending balance	[1],[17],[18],[38],[46],[52]			61.7
Investment, Identifier [Axis]: Envigo Laboratories Inc, Series A Warrant, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[40]	0.0
Fair Value, ending balance		0.0	[3],[35],[41]	0.0	[1],[30],[40]
Investment, Identifier [Axis]: Envigo Laboratories Inc, Series B Warrant, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[40]	0.0
Fair Value, ending balance		0.0	[3],[35],[41]	0.0	[1],[30],[40]
Investment, Identifier [Axis]: Envirotainer Ltd, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	2.6
Investment, Identifier [Axis]: Excelitas Technologies Corp, Technology Hardware & Equipment 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.3
Investment, Identifier [Axis]: Excelitas Technologies Corp, Technology Hardware & Equipment 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.0
Investment, Identifier [Axis]: Excelitas Technologies Corp, Technology Hardware & Equipment 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.6
Investment, Identifier [Axis]: Fairway Group Holdings Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0	[1],[27],[30],[38],[50]	0.0
Gross Additions	[4]			0.0
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				0.0	[1],[27],[30],[38],[50]	0.0
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Fairway Group Holdings Corp 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.7		0.0
Gross Additions		0.0	[48]	1.1	[4]
Gross Reductions		0.0	[5]	(0.7)	[6]
Net Realized Gain (Loss)		(1.0)		0.6
Net Change in Unrealized Appreciation (Depreciation)		0.3		(0.3)
Fair Value, ending balance		0.0		0.7		0.0
Interest Income		0.0	[7]	0.8	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Fairway Group Holdings Corp 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Fairway Group Holdings Corp 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[48]	0.0
Gross Reductions	[5]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		0.0		0.0
Interest Income	[7]	0.0
PIK Income	[7]	0.0
Fee income	[7]	0.0
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: Fairway Group Holdings Corp, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Fairway Group Holdings Corp, Common Stock, Food & Staples Retailing
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.0
Fair Value, ending balance	[1],[30],[38],[50]			0.0
Investment, Identifier [Axis]: Fairway Group Holdings Corp, Senior Secured Loans—First Lien, Food & Staples Retailing, November 27, 2023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38],[50]	0.7
Fair Value, ending balance	[1],[27],[30],[38],[50]			0.7
Investment, Identifier [Axis]: Fairway Group Holdings Corp, Senior Secured Loans—First Lien, Food & Staples Retailing, November 28, 2023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38],[50]	0.0
Fair Value, ending balance	[1],[27],[30],[38],[50]			0.0
Investment, Identifier [Axis]: Follett Software Co, Senior Secured Loans—First Lien, Software & Services, August 31, 2027t 2027
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	9.8
Fair Value, ending balance	[1],[15]			9.8
Investment, Identifier [Axis]: Follett Software Co, Senior Secured Loans—First Lien, Software & Services, August 31, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[45],[52]	74.1
Fair Value, ending balance	[1],[17],[18],[45],[52]			74.1
Investment, Identifier [Axis]: Follett Software Co, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[25],[26]	72.1
Investment, Identifier [Axis]: Follett Software Co, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	9.7
Investment, Identifier [Axis]: Foundation Consumer Brands LLC, Pharmaceuticals, Biotechnology & Life Sciences 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[47]	84.7
Investment, Identifier [Axis]: Foundation Consumer Brands LLC, Pharmaceuticals, Biotechnology & Life Sciences 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.6
Investment, Identifier [Axis]: Foundation Consumer Brands LLC, Senior Secured Loans—First Lien, Pharmaceuticals, Biotechnology & Life Sciences, February 12, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	98.0
Fair Value, ending balance	[1],[38],[46]			98.0
Investment, Identifier [Axis]: Foundation Consumer Brands LLC, Senior Secured Loans—First Lien, Pharmaceuticals, Biotechnology & Life Sciences, February 12, 2027 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.6
Fair Value, ending balance	[1],[15]			6.6
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	2.8
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	78.1
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Insurance 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.0
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Senior Secured Loans—First Lien, Insurance, Maturing October 29, 2027
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.9
Fair Value, ending balance	[1],[15]			6.9
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Senior Secured Loans—First Lien, Insurance, Maturing October 29, 2028 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	73.3
Fair Value, ending balance	[1],[38]			73.3
Investment, Identifier [Axis]: Foundation Risk Partners Corp, Senior Secured Loans—First Lien, Insurance, Maturing October 29, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.1
Fair Value, ending balance	[1],[15]			6.1
Investment, Identifier [Axis]: Fox Head Inc, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[30],[38]	10.9
Fair Value, ending balance		0.0	[3],[22],[63]	10.9	[1],[16],[30],[38]
Investment, Identifier [Axis]: Frontline Technologies Group LLC, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46],[51]	78.7
Fair Value, ending balance	[1],[38],[46],[51]			78.7
Investment, Identifier [Axis]: Frontline Technologies Group LLC, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40]	76.2
Fair Value, ending balance	[1],[38],[40]			76.2
Investment, Identifier [Axis]: Fronton BV, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1.4		1.2
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.4)		0.2
Fair Value, ending balance		1.0		1.4		1.2
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Fronton BV, Common Stock, Consumer Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[50],[64]	1.4
Fair Value, ending balance		1.0	[3],[35],[49],[65]	1.4	[1],[30],[50],[64]
Investment, Identifier [Axis]: Galaxy Universal LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	35.8
Fair Value, ending balance	[1],[38]			35.8
Investment, Identifier [Axis]: Galaxy Universal LLC, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	35.5
Fair Value, ending balance		7.5	[3],[35],[60]	35.5	[1],[30],[38]
Investment, Identifier [Axis]: Galaxy Universal LLC, Consumer Durables & Apparel 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	7.5
Investment, Identifier [Axis]: Galaxy Universal LLC, Consumer Durables & Apparel 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	85.3
Investment, Identifier [Axis]: Galaxy Universal LLC, Consumer Durables & Apparel 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	21.2
Investment, Identifier [Axis]: Galaxy Universal LLC, Senior Secured Loans—First Lien, Consumer Durables & Apparel, Maturing February 4,2022 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	88.9
Fair Value, ending balance	[1],[38]			88.9
Investment, Identifier [Axis]: Galaxy Universal LLC, Senior Secured Loans—First Lien, Consumer Durables & Apparel, Maturing February 4,2022 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.7
Fair Value, ending balance	[1],[15]			7.7
Investment, Identifier [Axis]: Galaxy Universal LLC, Senior Secured Loans—First Lien, Consumer Durables & Apparel, November 1, 2026
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	0.9
Fair Value, ending balance	[1],[38]			0.9
Investment, Identifier [Axis]: Galaxy Universal LLC, Trade Claim, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	16.4
Fair Value, ending balance		1.7	[3],[22],[35]	16.4	[1],[30],[38]
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[26],[47]	109.7
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	11.8
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Insurance 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.3
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Senior Secured Loans—First Lien, Insurance, Maturing September 29, 2028 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45]	126.0
Fair Value, ending balance	[1],[17],[18],[38],[45]			126.0
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Senior Secured Loans—First Lien, Insurance, Maturing September 29, 2028 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	22.0
Fair Value, ending balance	[1],[15]			22.0
Investment, Identifier [Axis]: Galway Partners Holdings LLC, Senior Secured Loans—First Lien, Insurance, Maturing September 30, 2027
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	11.8
Fair Value, ending balance	[1],[15]			11.8
Investment, Identifier [Axis]: General Datatech LP
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[52]	166.5
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[52]			166.5
Investment, Identifier [Axis]: General Datatech LP, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[25],[26],[47]	146.5
Investment, Identifier [Axis]: Genesys Telecommunications Laboratories Inc, Class A Shares, Technology Hardware & Equipment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Genesys Telecommunications Laboratories Inc, Ordinary Shares, Technology Hardware & Equipment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Genesys Telecommunications Laboratories Inc, Preferred Stock, Technology Hardware & Equipment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Gigamon Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	163.2
Investment, Identifier [Axis]: Gigamon Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.9
Investment, Identifier [Axis]: Global Jet Capital LLC, Preferred Stock, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	0.0
Fair Value, ending balance		0.0	[19],[22],[35],[62],[63]	0.0	[1],[31],[38]
Investment, Identifier [Axis]: Global Jet Capital LLC, Preferred Stock, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[38],[61]	302.2
Fair Value, ending balance		232.2	[19],[22],[32],[35],[62],[63]	302.2	[1],[16],[38],[61]
Investment, Identifier [Axis]: Global Jet Capital LLC, Structured Mezzanine, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[31],[38],[61]	53.6
Fair Value, ending balance		28.0	[19],[22],[36],[62],[63]	53.6	[1],[16],[31],[38],[61]
Investment, Identifier [Axis]: Global Jet Capital LLC, Structured Mezzanine, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[31],[38],[61]	39.2
Fair Value, ending balance		20.5	[19],[22],[36],[62],[63]	39.2	[1],[16],[31],[38],[61]
Investment, Identifier [Axis]: Global Jet Capital LLC, Structured Mezzanine, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[31],[38],[61]	4.6
Fair Value, ending balance		2.4	[19],[22],[36],[62],[63]	4.6	[1],[16],[31],[38],[61]
Investment, Identifier [Axis]: Global Lending Services LLC, Private Equity, Diversified Financials 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	15.5
Fair Value, ending balance		8.2	[19],[22],[36]	15.5	[1],[31],[38]
Investment, Identifier [Axis]: Global Lending Services LLC, Private Equity, Diversified Financials 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	28.5
Fair Value, ending balance		10.9	[19],[22],[36]	28.5	[1],[31],[38]
Investment, Identifier [Axis]: Global Lending Services LLC, Private Equity, Diversified Financials 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36]	10.0
Investment, Identifier [Axis]: Gracent LLC, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	22.1
Investment, Identifier [Axis]: Gracent LLC, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	11.4
Investment, Identifier [Axis]: Gracent LLC, NP-1 Common Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[35],[60]	0.0
Investment, Identifier [Axis]: Greystone Equity Member Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	192.6
Fair Value, ending balance	[1],[31],[38]			192.6
Investment, Identifier [Axis]: Greystone Equity Member Corp, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	188.7
Investment, Identifier [Axis]: HKA, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	4.2
Investment, Identifier [Axis]: HKA, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	0.2
Investment, Identifier [Axis]: HM Dunn Co Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	33.6		0.0
Gross Additions		2.0	[9]	49.2	[10],[66]
Gross Reductions		0.0	[11]	(7.1)	[12],[66]
Net Realized Gain (Loss)		0.0		(8.5)	[66]
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0	[66]
Fair Value, ending balance		35.6		33.6	[66]	0.0	[66]
Interest Income		0.8	[13]	0.5	[14],[66]
PIK Income		2.1	[13]	0.0	[14],[66]
Fee income		0.0	[13]	0.0	[14],[66]
Dividend Income		0.0	[13]	0.0	[14],[66]
Investment, Identifier [Axis]: HM Dunn Co Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	2.0		0.0
Gross Additions		0.0	[9]	14.0	[10],[66]
Gross Reductions		(2.0)	[11]	(19.0)	[12],[66]
Net Realized Gain (Loss)		0.0		7.0	[66]
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0	[66]
Fair Value, ending balance		0.0		2.0	[66]	0.0	[66]
Interest Income		0.0	[13]	0.4	[14],[66]
PIK Income		0.0	[13]	0.8	[14],[66]
Fee income		0.0	[13]	0.0	[14],[66]
Dividend Income		0.0	[13]	0.0	[14],[66]
Investment, Identifier [Axis]: HM Dunn Co Inc 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		0.3
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(0.6)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			0.3
Fair Value, ending balance	[67]			0.0		0.3
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: HM Dunn Co Inc 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		0.2
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(0.3)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			0.1
Fair Value, ending balance	[67]			0.0		0.2
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: HM Dunn Co Inc, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	35.6
Investment, Identifier [Axis]: HM Dunn Co Inc, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[39]	2.0
Investment, Identifier [Axis]: HM Dunn Co Inc, Preferred Stock, Series A
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	7.1		0.0
Gross Additions		0.0	[9]	7.1	[10],[66]
Gross Reductions		0.0	[11]	0.0	[12],[66]
Net Realized Gain (Loss)		0.0		0.0	[66]
Net Change in Unrealized Appreciation (Depreciation)		9.8		0.0	[66]
Fair Value, ending balance		16.9		7.1	[66]	0.0	[66]
Interest Income		0.0	[13]	0.0	[14],[66]
PIK Income		0.0	[13]	0.0	[14],[66]
Fee income		0.0	[13]	0.0	[14],[66]
Dividend Income		0.0	[13]	0.0	[14],[66]
Investment, Identifier [Axis]: HM Dunn Co Inc, Preferred Stock, Series A 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		0.0
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			0.0
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			0.0
Fair Value, ending balance	[67]			0.0		0.0
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: HM Dunn Co Inc, Preferred Stock, Series A, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38],[40]	7.1
Fair Value, ending balance		16.9	[3],[22],[35],[39],[41]	7.1	[1],[30],[37],[38],[40]
Investment, Identifier [Axis]: HM Dunn Co Inc, Preferred Stock, Series B
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66],[67]	0.0		0.0
Gross Additions		0.0	[9]	0.0	[4],[66],[67]
Gross Reductions		0.0	[11]	0.0	[6],[66],[67]
Net Realized Gain (Loss)		0.0		0.0	[66],[67]
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0	[66],[67]
Fair Value, ending balance		0.0		0.0	[66],[67]	0.0	[66],[67]
Interest Income		0.0	[13]	0.0	[8],[66],[67]
PIK Income		0.0	[13]	0.0	[8],[66],[67]
Fee income		0.0	[13]	0.0	[8],[66],[67]
Dividend Income		0.0	[13]	0.0	[8],[66],[67]
Investment, Identifier [Axis]: HM Dunn Co Inc, Preferred Stock, Series B, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38],[40]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[39],[41]	0.0	[1],[30],[37],[38],[40]
Investment, Identifier [Axis]: HM Dunn Co Inc, Senior Secured Loans—First Lien, Capital Goods -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	33.6
Fair Value, ending balance	[1],[37],[38]			33.6
Investment, Identifier [Axis]: HM Dunn Co Inc, Senior Secured Loans—First Lien, Capital Goods -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	2.0
Fair Value, ending balance	[1],[37],[38]			2.0
Investment, Identifier [Axis]: Harvey Industries Inc, Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	3.3
Fair Value, ending balance		5.2	[3],[22],[35]	3.3	[1],[38]
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Senior Secured Loans—First Lien, Transportation, Maturing December 3 2024 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	5.6
Fair Value, ending balance	[1],[38]			5.6
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Senior Secured Loans—First Lien, Transportation, Maturing December 3 2024 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	11.1
Fair Value, ending balance	[1],[15]			11.1
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Senior Secured Loans—First Lien, Transportation, Maturing December 3 2026 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[46],[51],[52]	128.7
Fair Value, ending balance	[1],[17],[18],[38],[46],[51],[52]			128.7
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Senior Secured Loans—First Lien, Transportation, Maturing December 3 2026 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	18.5
Fair Value, ending balance	[1],[38]			18.5
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Transportation 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[25],[47]	131.3
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Transportation 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	18.5
Investment, Identifier [Axis]: Heniff Transportation Systems LLC, Transportation 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	17.2
Investment, Identifier [Axis]: Hibu Inc, Commercial & Professional Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[25],[26],[47]	99.8
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	25.8
Fair Value, ending balance	[1],[38]			25.8
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.6
Fair Value, ending balance	[1],[38]			4.6
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	33.3
Fair Value, ending balance	[1],[15]			33.3
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	4.4
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	7.0
Investment, Identifier [Axis]: Higginbotham Insurance Agency Inc, Insurance 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.0
Investment, Identifier [Axis]: Hilding Anders 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		46.6		32.4
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(46.6)		14.2
Fair Value, ending balance		0.0		46.6		32.4
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.3	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		30.3
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		(30.3)
Fair Value, ending balance		0.0		0.0		30.3
Interest Income		0.1	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders, Class A Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders, Class A Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Hilding Anders, Class B Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders, Class B Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Hilding Anders, Class C Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders, Class C Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Hilding Anders, Consumer Durables & Apparel 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36],[39]	0.0
Investment, Identifier [Axis]: Hilding Anders, Consumer Durables & Apparel 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[36],[39]	0.0
Investment, Identifier [Axis]: Hilding Anders, Equity Options
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Hilding Anders, Equity Options, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[36],[39]	0.0	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Hilding Anders, Subordinated Debt, Consumer Durables & Apparel - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[31],[37],[38]	46.6
Fair Value, ending balance	[1],[27],[30],[31],[37],[38]			46.6
Investment, Identifier [Axis]: Hilding Anders, Subordinated Debt, Consumer Durables & Apparel -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance	[1],[30],[31],[37],[38]			0.0
Investment, Identifier [Axis]: Hilding Anders, Subordinated Debt, Consumer Durables & Apparel -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.0
Fair Value, ending balance	[1],[30],[31],[37],[38]			0.0
Investment, Identifier [Axis]: Home Partners JV 2, Private Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.1		0.0
Gross Additions		0.1	[48]	0.1	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.2		0.1		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Home Partners JV 2, Private Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1.6		0.0
Gross Additions		2.9	[48]	1.5	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.5		0.1
Fair Value, ending balance		5.0		1.6		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Home Partners JV 2, Private Equity, Real Estate 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	1.6
Fair Value, ending balance		5.0	[19],[22],[35],[36],[49]	1.6	[1],[30],[31],[38],[50]
Investment, Identifier [Axis]: Home Partners JV 2, Private Equity, Real Estate 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	0.1
Fair Value, ending balance		0.2	[19],[22],[35],[36],[49]	0.1	[1],[30],[31],[38],[50]
Investment, Identifier [Axis]: Home Partners JV 2, Structured Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		3.5		0.0
Gross Additions		6.7	[48]	3.4	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.1		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.1)		0.1
Fair Value, ending balance		10.2		3.5		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.7	[7]	0.2	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Home Partners JV 2, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[49]	10.2
Investment, Identifier [Axis]: Home Partners JV 2, Structured Mezzanine, Real Estate 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[50]	3.5
Fair Value, ending balance	[1],[31],[38],[50]			3.5
Investment, Identifier [Axis]: Home Partners JV 2, Structured Mezzanine, Real Estate 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31],[50]	13.6
Fair Value, ending balance	[1],[15],[31],[50]			13.6
Investment, Identifier [Axis]: Home Partners JV, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		80.6		21.5
Gross Additions		0.0	[48]	45.9	[4]
Gross Reductions		(101.0)	[5]	(22.9)	[6]
Net Realized Gain (Loss)		53.4		7.7
Net Change in Unrealized Appreciation (Depreciation)		(33.0)		28.4
Fair Value, ending balance		0.0		80.6		21.5
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		4.3	[7]	0.0	[8]
Investment, Identifier [Axis]: Home Partners JV, Common Stock, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	80.6
Fair Value, ending balance	[1],[30],[31],[38],[50]			80.6
Investment, Identifier [Axis]: Home Partners JV, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.4
Gross Additions	[48]	0.0
Gross Reductions	[5]	(11.8)
Net Realized Gain (Loss)		6.4
Net Change in Unrealized Appreciation (Depreciation)		(4.0)
Fair Value, ending balance		0.0		9.4
Interest Income	[7]	0.0
PIK Income	[7]	0.0
Fee income	[7]	0.0
Dividend Income	[7]	0.7
Investment, Identifier [Axis]: Home Partners JV, Private Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.4		0.0
Gross Additions	[4]			5.4
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				4.0
Fair Value, ending balance				9.4		0.0
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Home Partners JV, Private Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[4]			0.0
Gross Reductions	[6]			0.0
Net Realized Gain (Loss)				(0.6)
Net Change in Unrealized Appreciation (Depreciation)				0.6
Fair Value, ending balance				0.0		0.0
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Home Partners JV, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	9.4
Fair Value, ending balance	[1],[30],[31],[38],[50]			9.4
Investment, Identifier [Axis]: Home Partners JV, Structured Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		90.4		38.5
Gross Additions		7.9	[48]	83.4	[4]
Gross Reductions		(98.1)	[5]	(36.3)	[6]
Net Realized Gain (Loss)		4.6		0.0
Net Change in Unrealized Appreciation (Depreciation)		(4.8)		4.8
Fair Value, ending balance		0.0		90.4		38.5
Interest Income		0.3	[7]	0.6	[8]
PIK Income		7.5	[7]	7.3	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Home Partners JV, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[50]	90.4
Fair Value, ending balance	[1],[31],[38],[50]			90.4
Investment, Identifier [Axis]: Home Partners of America Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[4]			3.5
Gross Reductions	[6]			(3.5)
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				0.0		0.0
Interest Income	[8]			0.1
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Home Partners of America Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		130.5
Gross Additions	[4]			0.0
Gross Reductions	[6]			(214.3)
Net Realized Gain (Loss)				130.7
Net Change in Unrealized Appreciation (Depreciation)				(46.9)
Fair Value, ending balance				0.0		130.5
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Home Partners of America Inc, Warrant
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		2.1
Gross Additions	[4]			0.0
Gross Reductions	[6]			(4.4)
Net Realized Gain (Loss)				4.1
Net Change in Unrealized Appreciation (Depreciation)				(1.8)
Fair Value, ending balance				0.0		2.1
Interest Income	[8]			0.0
PIK Income	[8]			0.0
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Hudson Technologies Co
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	82.1
Fair Value, ending balance	[1],[31],[38]			82.1
Investment, Identifier [Axis]: Imagine Communications Corp, Common Stock, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	2.5
Fair Value, ending balance		2.0	[3],[22],[35]	2.5	[1],[30],[38]
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[41],[47]	68.7
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	5.2
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	16.6
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	5.4
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	6.8
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.7
Investment, Identifier [Axis]: Individual FoodService, Capital Goods 7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.4
Investment, Identifier [Axis]: Individual FoodService, Senior Secured Loans—First Lien, Capital Goods , Maturing November 22, 2024 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	0.2
Fair Value, ending balance	[1],[38]			0.2
Investment, Identifier [Axis]: Individual FoodService, Senior Secured Loans—First Lien, Capital Goods , Maturing November 22, 2024 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.5
Fair Value, ending balance	[1],[15]			4.5
Investment, Identifier [Axis]: Individual FoodService, Senior Secured Loans—First Lien, Capital Goods , Maturing November 22, 2025 - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	5.7
Fair Value, ending balance	[1],[15]			5.7
Investment, Identifier [Axis]: Individual FoodService, Senior Secured Loans—First Lien, Capital Goods , Maturing November 22, 2025 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40],[46]	91.7
Fair Value, ending balance	[1],[38],[40],[46]			91.7
Investment, Identifier [Axis]: Industria Chimica Emiliana Srl
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	103.9
Fair Value, ending balance	[1],[31],[38]			103.9
Investment, Identifier [Axis]: Industria Chimica Emiliana Srl, Pharmaceuticals, Biotechnology & Life Sciences
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	91.3
Investment, Identifier [Axis]: Industry City TI Lessor LP
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40]	32.5
Fair Value, ending balance	[1],[38],[40]			32.5
Investment, Identifier [Axis]: Industry City TI Lessor LP, Consumer Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[41]	26.0
Investment, Identifier [Axis]: Insight Global LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	8.2
Investment, Identifier [Axis]: Insight Global LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23]	197.0
Investment, Identifier [Axis]: Insight Global LLC, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	12.2
Investment, Identifier [Axis]: Insight Global LLC, Commercial & Professional Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	26.0
Investment, Identifier [Axis]: Insight Global LLC, Senior Secured Loans—First Lien, Commercial & Professional Services, Maturing September 22, 2027 -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	10.4
Fair Value, ending balance	[1],[38]			10.4
Investment, Identifier [Axis]: Insight Global LLC, Senior Secured Loans—First Lien, Commercial & Professional Services, Maturing September 22, 2027 -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	10.4
Fair Value, ending balance	[1],[15]			10.4
Investment, Identifier [Axis]: Insight Global LLC, Senior Secured Loans—First Lien, Commercial & Professional Services, Maturing September 22, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[51]	227.2
Fair Value, ending balance	[1],[38],[51]			227.2
Investment, Identifier [Axis]: Insight Global LLC, Senior Secured Loans—First Lien, Commercial & Professional Services, Maturing November 15, 2028
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	19.8
Fair Value, ending balance	[1],[15]			19.8
Investment, Identifier [Axis]: Integrity Marketing Group LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	143.2
Fair Value, ending balance	[1],[15]			143.2
Investment, Identifier [Axis]: Integrity Marketing Group LLC, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	122.4
Investment, Identifier [Axis]: J S Held LLC, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[25],[41],[47]	101.8
Investment, Identifier [Axis]: J S Held LLC, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	8.8
Investment, Identifier [Axis]: J S Held LLC, Insurance 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	22.0
Investment, Identifier [Axis]: J S Held LLC, Insurance 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25]	24.6
Investment, Identifier [Axis]: J S Held LLC, Insurance 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	5.2
Investment, Identifier [Axis]: J S Held LLC, Insurance 6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	19.0
Investment, Identifier [Axis]: J S Held LLC,, Senior Secured Loans—First Lien, Insurance -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40],[46],[51],[52]	167.1
Fair Value, ending balance	[1],[38],[40],[46],[51],[52]			167.1
Investment, Identifier [Axis]: J S Held LLC,, Senior Secured Loans—First Lien, Insurance -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	2.8
Fair Value, ending balance	[1],[38]			2.8
Investment, Identifier [Axis]: J S Held LLC,, Senior Secured Loans—First Lien, Insurance -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	16.9
Fair Value, ending balance	[1],[15]			16.9
Investment, Identifier [Axis]: J S Held LLC,, Senior Secured Loans—First Lien, Insurance -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	11.3
Fair Value, ending balance	[1],[15]			11.3
Investment, Identifier [Axis]: JW Aluminum Co
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38],[40],[43]	81.0
Gross Additions	[9]	0.2
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(3.1)
Fair Value, ending balance		78.1		81.0	[1],[37],[38],[40],[43]
Interest Income	[13]	8.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: JW Aluminum Co 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		41.8
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(39.4)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			(2.4)
Fair Value, ending balance	[67]			0.0		41.8
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: JW Aluminum Co 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	81.0		0.0
Gross Additions	[10],[66]			75.5
Gross Reductions	[12],[66]			0.0
Net Realized Gain (Loss)	[66]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[66]			5.5
Fair Value, ending balance	[66]			81.0		0.0
Interest Income	[14],[66]			6.2
PIK Income	[14],[66]			0.0
Fee income	[14],[66]			0.0
Dividend Income	[14],[66]			0.0
Investment, Identifier [Axis]: JW Aluminum Co, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66],[67]	0.0		0.0
Gross Additions		0.0	[9]	0.0	[10],[66],[67]
Gross Reductions		0.0	[11]	0.0	[12],[66],[67]
Net Realized Gain (Loss)		0.0		0.0	[66],[67]
Net Change in Unrealized Appreciation (Depreciation)		2.4		0.0	[66],[67]
Fair Value, ending balance		2.4		0.0	[66],[67]	0.0	[66],[67]
Interest Income		0.0	[13]	0.0	[14],[66],[67]
PIK Income		0.0	[13]	0.0	[14],[66],[67]
Fee income		0.0	[13]	0.0	[14],[66],[67]
Dividend Income		0.0	[13]	0.0	[8],[66],[67]
Investment, Identifier [Axis]: JW Aluminum Co, Common Stock, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[30],[37],[38],[61]	0.0
Fair Value, ending balance		2.4	[3],[22],[35],[39],[62],[63]	0.0	[1],[16],[30],[37],[38],[61]
Investment, Identifier [Axis]: JW Aluminum Co, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39],[41],[44]	78.1
Investment, Identifier [Axis]: JW Aluminum Co, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	122.6	[68]	0.0
Gross Additions		22.2	[9],[68]	177.9	[10],[66]
Gross Reductions		0.0	[11],[68]	0.0	[12],[66]
Net Realized Gain (Loss)		0.0	[68]	0.0	[66]
Net Change in Unrealized Appreciation (Depreciation)		(32.3)	[68]	(55.3)	[66]
Fair Value, ending balance		112.5	[68]	122.6	[66],[68]	0.0	[66]
Interest Income		0.6	[13],[68]	0.4	[14],[66]
PIK Income		19.7	[13],[68]	20.9	[14],[66]
Fee income		0.0	[13],[68]	0.0	[14],[66]
Dividend Income		0.0	[13],[68]	0.0	[14],[66]
Investment, Identifier [Axis]: JW Aluminum Co, Preferred Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		93.7
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(107.3)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			13.6
Fair Value, ending balance	[67]			0.0		93.7
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			4.2
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: JW Aluminum Co, Preferred Stock, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[37],[38],[61]	122.6
Fair Value, ending balance		112.5	[3],[22],[39],[62],[63]	122.6	[1],[16],[37],[38],[61]
Investment, Identifier [Axis]: Jarrow Formulas Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[40],[46],[51],[52]	190.3
Fair Value, ending balance	[1],[17],[18],[38],[40],[46],[51],[52]			190.3
Investment, Identifier [Axis]: Jarrow Formulas Inc, Household & Personal Products
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[25],[26],[41],[47]	181.3
Investment, Identifier [Axis]: Jet Edge International LLC, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		16.8		0.0
Gross Additions		0.0	[48]	20.9	[4]
Gross Reductions		(30.1)	[5]	0.0	[6]
Net Realized Gain (Loss)		9.2		0.0
Net Change in Unrealized Appreciation (Depreciation)		4.1		(4.1)
Fair Value, ending balance		0.0		16.8		0.0
Interest Income		0.7	[7]	0.5	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Jet Edge International LLC, Preferred Stock, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[50],[57]	16.8
Fair Value, ending balance	[1],[50],[57]			16.8
Investment, Identifier [Axis]: Jet Edge International LLC, Term Loan
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		75.6		0.0
Gross Additions		0.0	[48]	78.0	[4]
Gross Reductions		(75.9)	[5]	(2.1)	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.3		(0.3)
Fair Value, ending balance		0.0		75.6		0.0
Interest Income		11.6	[7]	2.4	[8]
PIK Income		2.3	[7]	0.5	[8]
Fee income		3.3	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Jet Edge International LLC, Term Loan, Transportation 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	76.1
Fair Value, ending balance		76.7	[19],[22]	76.1	[1],[38],[50]
Investment, Identifier [Axis]: Jet Edge International LLC, Term Loan, Transportation 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[50]	74.5
Fair Value, ending balance		0.7	[19],[24]	74.5	[1],[15],[50]
Investment, Identifier [Axis]: Jet Edge International LLC, Warrant
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		4.5		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(13.5)	[5]	0.0	[6]
Net Realized Gain (Loss)		13.5		0.0
Net Change in Unrealized Appreciation (Depreciation)		(4.5)		4.5
Fair Value, ending balance		0.0		4.5		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		1.5	[7]	0.0	[8]
Investment, Identifier [Axis]: Jet Edge International LLC, Warrant, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[50],[55]	4.5
Fair Value, ending balance	[1],[30],[50],[55]			4.5
Investment, Identifier [Axis]: Jones Apparel Holdings, Inc., Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: KBP Investments LLC, Senior Secured Loans—First Lien, Food & Staples Retailing -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	23.3
Fair Value, ending balance	[1],[38]			23.3
Investment, Identifier [Axis]: KBP Investments LLC, Senior Secured Loans—First Lien, Food & Staples Retailing -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.8
Fair Value, ending balance	[1],[15]			3.8
Investment, Identifier [Axis]: KKR Altitude II Offshore Aggregator LP, Partnership Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	44.4
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)
Fair Value, ending balance		44.4		0.0
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: KKR Altitude II Offshore Aggregator LP, Partnership Interest, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36],[39]	44.4
Investment, Identifier [Axis]: KKR Central Park Leasing Aggregator L.P., Partnership Interest, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[31],[38]	25.8
Fair Value, ending balance		16.3	[19],[22],[32],[35],[36]	25.8	[1],[27],[30],[31],[38]
Investment, Identifier [Axis]: KKR Chord IP Aggregator LP, Partnership Interest, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	131.5
Fair Value, ending balance		96.3	[19],[22],[36]	131.5	[1],[31],[38]
Investment, Identifier [Axis]: KKR Chord IP Aggregator LP, Structured Mezzanine, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	167.3
Fair Value, ending balance	[1],[31],[38]			167.3
Investment, Identifier [Axis]: KKR Residential Opportunities I LLC, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35]	17.6
Investment, Identifier [Axis]: KKR Rocket Loans Aggregator LLC, Partnership Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1.4		0.0
Gross Additions		2.9	[9]	1.4	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		4.3		1.4		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		1.3	[13]	0.1	[14]
Investment, Identifier [Axis]: KKR Rocket Loans Aggregator LLC, Partnership Interest, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[37],[38]	1.4
Fair Value, ending balance		4.3	[19],[22],[36],[39]	1.4	[1],[31],[37],[38]
Investment, Identifier [Axis]: KKR Zeno Aggregator LP (K2 Aviation), Partnership Interest, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	19.1
Fair Value, ending balance		20.0	[19],[22],[35],[36]	19.1	[1],[30],[31],[38]
Investment, Identifier [Axis]: Karman Space Inc, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	49.7
Investment, Identifier [Axis]: Karman Space Inc, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	4.4
Investment, Identifier [Axis]: Karman Space Inc, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	36.1
Investment, Identifier [Axis]: Karman Space Inc, Capital Goods 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	0.9
Investment, Identifier [Axis]: Karman Space Inc, Senior Secured Loans—First Lien, Capital Goods -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	94.2
Fair Value, ending balance	[1],[38],[46]			94.2
Investment, Identifier [Axis]: Karman Space Inc, Senior Secured Loans—First Lien, Capital Goods -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.4
Fair Value, ending balance	[1],[38]			4.4
Investment, Identifier [Axis]: Karman Space Inc, Senior Secured Loans—First Lien, Capital Goods -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	1.1
Fair Value, ending balance	[1],[15]			1.1
Investment, Identifier [Axis]: Kellermeyer Bergensons Services LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[25],[26],[41],[47]	244.6
Investment, Identifier [Axis]: Kellermeyer Bergensons Services LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	77.0
Investment, Identifier [Axis]: Kellermeyer Bergensons Services LLC, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	14.0
Investment, Identifier [Axis]: Kellermeyer Bergensons Services LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[40],[45],[46],[51],[52]	342.8
Fair Value, ending balance	[1],[17],[18],[38],[40],[45],[46],[51],[52]			342.8
Investment, Identifier [Axis]: Kellermeyer Bergensons Services LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	31.1
Fair Value, ending balance	[1],[15]			31.1
Investment, Identifier [Axis]: Kilter Finance, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		36.1		0.2
Gross Additions		87.3	[9]	34.4	[10]
Gross Reductions		(24.0)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.7		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.6)		1.5
Fair Value, ending balance		99.5		36.1		0.2
Interest Income		7.4	[13]	1.3	[14]
PIK Income		1.9	[13]	1.2	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Kilter Finance, Preferred Stock, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[37],[38]	36.1
Fair Value, ending balance		99.5	[19],[22],[36],[39]	36.1	[1],[31],[37],[38]
Investment, Identifier [Axis]: Kilter Finance, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.5		0.2
Gross Additions		0.0	[9]	0.3	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.5		0.5		0.2
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Kilter Finance, Private Equity, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	0.5
Fair Value, ending balance		0.5	[19],[22],[35],[36],[39]	0.5	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Lakefield Veterinary Group, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[25]	103.8
Investment, Identifier [Axis]: Lakefield Veterinary Group, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	33.7
Investment, Identifier [Axis]: Lakefield Veterinary Group, Senior Secured Loans—First Lien, Consumer Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[51],[52]	114.6
Fair Value, ending balance	[1],[38],[51],[52]			114.6
Investment, Identifier [Axis]: Lakefield Veterinary Group, Senior Secured Loans—First Lien, Consumer Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	55.7
Fair Value, ending balance	[1],[15]			55.7
Investment, Identifier [Axis]: Lakeview Farms Inc, Food, Beverage & Tobacco 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[47]	30.2
Investment, Identifier [Axis]: Lakeview Farms Inc, Food, Beverage & Tobacco 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	4.3
Investment, Identifier [Axis]: Lakeview Farms Inc, Food, Beverage & Tobacco 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	43.6
Investment, Identifier [Axis]: Lakeview Farms Inc, Food, Beverage & Tobacco 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	10.5
Investment, Identifier [Axis]: Lakeview Farms Inc, Food, Beverage & Tobacco 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.2
Investment, Identifier [Axis]: Lakeview Farms Inc, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[38],[46]	76.5
Fair Value, ending balance	[1],[18],[38],[46]			76.5
Investment, Identifier [Axis]: Lakeview Farms Inc, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	3.4
Fair Value, ending balance	[1],[38]			3.4
Investment, Identifier [Axis]: Lakeview Farms Inc, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	10.8
Fair Value, ending balance	[1],[15]			10.8
Investment, Identifier [Axis]: Lakeview Farms Inc, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.4
Fair Value, ending balance	[1],[15]			3.4
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	8.9
Fair Value, ending balance	[1],[31],[38]			8.9
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	12.1
Fair Value, ending balance	[1],[31],[38]			12.1
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	6.7
Fair Value, ending balance	[1],[31],[38]			6.7
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	2.1
Fair Value, ending balance	[1],[31],[38]			2.1
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	2.9
Fair Value, ending balance	[1],[31],[38]			2.9
Investment, Identifier [Axis]: Lenovo Group Ltd, Structured Mezzanine, Technology Hardware & Equipment 6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	9.1
Fair Value, ending balance	[1],[31],[38]			9.1
Investment, Identifier [Axis]: Lexitas Inc, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[47]	131.1
Investment, Identifier [Axis]: Lexitas Inc, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.3
Investment, Identifier [Axis]: Lexitas Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[46],[51]	107.8
Fair Value, ending balance	[1],[17],[18],[38],[46],[51]			107.8
Investment, Identifier [Axis]: Lexitas Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	10.4
Fair Value, ending balance	[1],[15]			10.4
Investment, Identifier [Axis]: Lexitas Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	5.4
Fair Value, ending balance	[1],[15]			5.4
Investment, Identifier [Axis]: Lionbridge Technologies Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[46],[52]	70.3
Fair Value, ending balance	[1],[17],[18],[38],[46],[52]			70.3
Investment, Identifier [Axis]: Lionbridge Technologies Inc, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[22],[25],[26],[41],[47]	123.4
Investment, Identifier [Axis]: Lipari Foods LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40],[46],[52]	272.0
Fair Value, ending balance	[1],[38],[40],[46],[52]			272.0
Investment, Identifier [Axis]: Lipari Foods LLC, Common Stock, Food & Staples Retailing
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35]	8.0
Investment, Identifier [Axis]: Lipari Foods LLC, Food & Staples Retailing 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[25]	94.9
Investment, Identifier [Axis]: Lipari Foods LLC, Food & Staples Retailing 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	27.0
Investment, Identifier [Axis]: Lloyd's Register Quality Assurance Ltd
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	19.7
Fair Value, ending balance	[1],[15],[31]			19.7
Investment, Identifier [Axis]: Lloyd's Register Quality Assurance Ltd, Consumer Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	6.7
Investment, Identifier [Axis]: Lloyd's Register Quality Assurance Ltd, Consumer Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	12.3
Investment, Identifier [Axis]: Luxembourg Life Fund - Absolute Return Fund II, Structured Mezzanine, Insurance
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	24.6
Investment, Identifier [Axis]: MB Precision Holdings LLC, Class A - 2 Units, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[59],[64]	0.0
Fair Value, ending balance		0.0	[3],[35],[60],[65]	0.0	[1],[30],[59],[64]
Investment, Identifier [Axis]: MB2 Dental Solutions LLC, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[26],[47]	263.6
Investment, Identifier [Axis]: MB2 Dental Solutions LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46]	231.7
Fair Value, ending balance	[1],[17],[18],[38],[45],[46]			231.7
Investment, Identifier [Axis]: MB2 Dental Solutions LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	56.9
Fair Value, ending balance	[1],[15]			56.9
Investment, Identifier [Axis]: Magna Legal Services LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	18.2
Investment, Identifier [Axis]: Magna Legal Services LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.1
Investment, Identifier [Axis]: Magna Legal Services LLC, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	5.1
Investment, Identifier [Axis]: Magna Legal Services LLC, Common Stock, Commercial & Professional Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[35],[56]	4.9
Investment, Identifier [Axis]: Matchesfashion Ltd
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	8.2
Fair Value, ending balance	[1],[31],[38]			8.2
Investment, Identifier [Axis]: Matchesfashion Ltd, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[36]	4.8
Investment, Identifier [Axis]: Maverick Natural Resources LLC, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[59],[64]	143.6
Fair Value, ending balance		160.9	[3],[60],[65]	143.6	[1],[30],[59],[64]
Investment, Identifier [Axis]: Med-Metrix, Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[55]	1.6
Fair Value, ending balance		2.9	[3],[35],[56]	1.6	[1],[30],[55]
Investment, Identifier [Axis]: Med-Metrix, Preferred Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	1.5
Fair Value, ending balance		1.5	[3],[56]	1.5	[1],[30],[38]
Investment, Identifier [Axis]: Med-Metrix, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	61.9
Fair Value, ending balance	[1],[38]			61.9
Investment, Identifier [Axis]: Med-Metrix, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	31.0
Fair Value, ending balance	[1],[15]			31.0
Investment, Identifier [Axis]: Med-Metrix, Senior Secured Loans—First Lien, Software & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.8
Fair Value, ending balance	[1],[15]			7.8
Investment, Identifier [Axis]: Med-Metrix, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[26]	56.6
Investment, Identifier [Axis]: Med-Metrix, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	25.3
Investment, Identifier [Axis]: Med-Metrix, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	7.8
Investment, Identifier [Axis]: Medallia Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	146.5
Fair Value, ending balance	[1],[38]			146.5
Investment, Identifier [Axis]: Medallia Inc, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	203.0
Investment, Identifier [Axis]: Miami Beach Medical Group LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46]	178.6
Fair Value, ending balance	[1],[17],[18],[38],[45],[46]			178.6
Investment, Identifier [Axis]: Miami Beach Medical Group LLC, Common Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	3.9
Fair Value, ending balance		0.0	[3],[22],[35]	3.9	[1],[30],[38]
Investment, Identifier [Axis]: Miami Beach Medical Group LLC, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	139.8
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		51.0	[1],[38],[50]	35.5
Gross Additions		5.7	[48]	1.0	[4]
Gross Reductions		(51.7)	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(5.0)		14.5
Fair Value, ending balance		0.0		51.0	[1],[38],[50]	35.5
Interest Income		0.2	[7]	0.0	[8]
PIK Income		0.3	[7]	1.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(0.1)	[5]	0.0	[6]
Net Realized Gain (Loss)		(0.5)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.6		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.0
Fair Value, ending balance	[1],[30],[38],[50]			0.0
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series A
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.1		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		(0.6)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.5		0.1
Fair Value, ending balance		0.0		0.1		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series A, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.1
Fair Value, ending balance	[1],[30],[38],[50]			0.1
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series B
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.4		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(0.4)	[5]	0.0	[6]
Net Realized Gain (Loss)		0.2		0.0
Net Change in Unrealized Appreciation (Depreciation)		(0.2)		0.4
Fair Value, ending balance		0.0		0.4		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series B PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		11.9		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(11.9)	[5]	0.0	[6]
Net Realized Gain (Loss)		11.9		0.0
Net Change in Unrealized Appreciation (Depreciation)		(11.9)		11.9
Fair Value, ending balance		0.0		11.9		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series B PIK, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	11.9
Fair Value, ending balance	[1],[30],[38],[50]			11.9
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series B, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.4
Fair Value, ending balance	[1],[30],[38],[50]			0.4
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series C PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		6.2		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(6.2)	[5]	0.0	[6]
Net Realized Gain (Loss)		6.2		0.0
Net Change in Unrealized Appreciation (Depreciation)		(6.2)		6.2
Fair Value, ending balance		0.0		6.2		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Micronics Filtration Holdings Inc, Preferred Stock, Series C PIK, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	6.2
Fair Value, ending balance	[1],[30],[38],[50]			6.2
Investment, Identifier [Axis]: Misys Ltd
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38],[43]	21.8
Fair Value, ending balance	[1],[31],[38],[43]			21.8
Investment, Identifier [Axis]: Misys Ltd, Preferred Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	78.9
Fair Value, ending balance		61.1	[3],[22],[36]	78.9	[1],[31],[38]
Investment, Identifier [Axis]: Misys Ltd, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	12.3
Investment, Identifier [Axis]: Monitronics International Inc, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[44]	12.5
Investment, Identifier [Axis]: Monitronics International Inc, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	42.3
Investment, Identifier [Axis]: Monitronics International Inc, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	21.9
Investment, Identifier [Axis]: Monitronics International Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[52]	17.7
Fair Value, ending balance	[1],[38],[43],[52]			17.7
Investment, Identifier [Axis]: Monitronics International Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	45.1
Fair Value, ending balance	[1],[38]			45.1
Investment, Identifier [Axis]: Monitronics International Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	21.6
Fair Value, ending balance	[1],[15]			21.6
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[25]	63.6
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[26],[47]	59.0
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	59.2
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Senior Secured Loans—First Lien, Commercial & Professional Services - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[45],[46],[51],[52]	118.4
Fair Value, ending balance	[1],[38],[45],[46],[51],[52]			118.4
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.7
Fair Value, ending balance	[1],[38]			4.7
Investment, Identifier [Axis]: Motion Recruitment Partners LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	58.9
Fair Value, ending balance	[1],[15]			58.9
Investment, Identifier [Axis]: My Community Homes PropCo 2, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36],[39]	79.0
Investment, Identifier [Axis]: My Community Homes SFR PropCo 2, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		33.0		0.0
Gross Additions		157.0	[9]	33.0	[10]
Gross Reductions		(105.7)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(5.3)		0.0
Fair Value, ending balance		79.0		33.0		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: My Community Homes SFR PropCo 2, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	33.0
Fair Value, ending balance	[1],[30],[31],[37],[38]			33.0
Investment, Identifier [Axis]: NBG Home
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	53.3
Fair Value, ending balance	[1],[38]			53.3
Investment, Identifier [Axis]: NBG Home 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38]	8.5
Fair Value, ending balance	[1],[27],[30],[38]			8.5
Investment, Identifier [Axis]: NBG Home, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: NBG Home, Consumer Durables & Apparel 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	21.2
Investment, Identifier [Axis]: NBG Home, Consumer Durables & Apparel 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	0.0
Investment, Identifier [Axis]: NCI Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	72.0
Fair Value, ending balance	[1],[38]			72.0
Investment, Identifier [Axis]: NCI Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	79.1
Gross Reductions	[11]	(21.9)
Net Realized Gain (Loss)		(28.5)
Net Change in Unrealized Appreciation (Depreciation)		(0.6)
Fair Value, ending balance		28.1		0.0
Interest Income	[13]	6.5
PIK Income	[13]	0.4
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: NCI Inc, Class A-1 Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[68]	0.0
Gross Additions	[9],[68]	0.0
Gross Reductions	[11],[68]	0.0
Net Realized Gain (Loss)	[68]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[68]	0.0
Fair Value, ending balance	[68]	0.0		0.0
Interest Income	[13],[68]	0.0
PIK Income	[13],[68]	0.0
Fee income	[13],[68]	0.0
Dividend Income	[13],[68]	0.0
Investment, Identifier [Axis]: NCI Inc, Class A-1 Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[39]	0.0
Investment, Identifier [Axis]: NCI Inc, Class B-1 Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[68]	0.0
Gross Additions	[9],[68]	0.0
Gross Reductions	[11],[68]	0.0
Net Realized Gain (Loss)	[68]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[68]	0.0
Fair Value, ending balance	[68]	0.0		0.0
Interest Income	[13],[68]	0.0
PIK Income	[13],[68]	0.0
Fee income	[13],[68]	0.0
Dividend Income	[13],[68]	0.0
Investment, Identifier [Axis]: NCI Inc, Class B-1 Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[39]	0.0
Investment, Identifier [Axis]: NCI Inc, Class C Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[68]	0.0
Gross Additions	[9],[68]	20.2
Gross Reductions	[11],[68]	0.0
Net Realized Gain (Loss)	[68]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[68]	0.0
Fair Value, ending balance	[68]	20.2		0.0
Interest Income	[13],[68]	0.0
PIK Income	[13],[68]	0.0
Fee income	[13],[68]	0.0
Dividend Income	[13],[68]	0.0
Investment, Identifier [Axis]: NCI Inc, Class C Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[39]	20.2
Investment, Identifier [Axis]: NCI Inc, Class I-1 Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[68]	0.0
Gross Additions	[9],[68]	0.0
Gross Reductions	[11],[68]	0.0
Net Realized Gain (Loss)	[68]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[68]	0.0
Fair Value, ending balance	[68]	0.0		0.0
Interest Income	[13],[68]	0.0
PIK Income	[13],[68]	0.0
Fee income	[13],[68]	0.0
Dividend Income	[13],[68]	0.0
Investment, Identifier [Axis]: NCI Inc, Class I-1 Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[39]	0.0
Investment, Identifier [Axis]: NCI Inc, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	28.1
Investment, Identifier [Axis]: NPD Group Inc/The, Consumer Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	0.1
Investment, Identifier [Axis]: NPD Group Inc/The, Consumer Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	19.2
Investment, Identifier [Axis]: NPD Group Inc/The, Consumer Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	0.9
Investment, Identifier [Axis]: Net Documents, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	24.3
Fair Value, ending balance	[1],[38]			24.3
Investment, Identifier [Axis]: Net Documents, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	0.9
Fair Value, ending balance	[1],[38]			0.9
Investment, Identifier [Axis]: Net Documents, Senior Secured Loans—First Lien, Software & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	2.0
Fair Value, ending balance	[1],[15]			2.0
Investment, Identifier [Axis]: Net Documents, Senior Secured Loans—First Lien, Software & Services -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.3
Fair Value, ending balance	[1],[15]			7.3
Investment, Identifier [Axis]: Net Documents, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	32.0
Investment, Identifier [Axis]: Net Documents, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.9
Investment, Identifier [Axis]: New Era Technology Inc, Senior Secured Loans—First Lien, Software & Services - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	13.7
Fair Value, ending balance	[1],[15]			13.7
Investment, Identifier [Axis]: New Era Technology Inc, Senior Secured Loans—First Lien, Software & Services - 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.1
Fair Value, ending balance	[1],[15]			3.1
Investment, Identifier [Axis]: New Era Technology Inc, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[38],[45],[46],[51]	82.1
Fair Value, ending balance	[1],[18],[38],[45],[46],[51]			82.1
Investment, Identifier [Axis]: New Era Technology Inc, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	1.6
Fair Value, ending balance	[1],[38]			1.6
Investment, Identifier [Axis]: New Era Technology Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[23],[26],[47]	50.2
Investment, Identifier [Axis]: New Era Technology Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	2.5
Investment, Identifier [Axis]: New Era Technology Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.1
Investment, Identifier [Axis]: NewStar Clarendon 2014-1A Class D, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	4.2
Fair Value, ending balance		3.5	[19],[22],[36]	4.2	[1],[31],[38]
Investment, Identifier [Axis]: Nine West Holdings Inc, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Novotech Pty Ltd, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	5.5
Investment, Identifier [Axis]: OEConnection LLC, Senior Secured Loans—Second Lien, Software & Services - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	48.1
Fair Value, ending balance	[1],[38]			48.1
Investment, Identifier [Axis]: OEConnection LLC, Senior Secured Loans—Second Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[52]	26.5
Fair Value, ending balance	[1],[38],[52]			26.5
Investment, Identifier [Axis]: OEConnection LLC, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25]	73.6
Investment, Identifier [Axis]: Omnimax International Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[46],[51],[52]	217.0
Fair Value, ending balance	[1],[17],[18],[38],[46],[51],[52]			217.0
Investment, Identifier [Axis]: Omnimax International Inc, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[25],[47]	175.0
Investment, Identifier [Axis]: One Call Care Management Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		4.7
Gross Additions	[4],[67]			0.6
Gross Reductions	[6],[67]			(4.9)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			(0.4)
Fair Value, ending balance	[67]			0.0		4.7
Interest Income	[8],[67]			0.2
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: One Call Care Management Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		5.0	[1],[37],[38],[43],[69]	0.0
Gross Additions		0.0	[9],[69]	9.7	[10]
Gross Reductions		(4.7)	[11],[69]	(5.1)	[12]
Net Realized Gain (Loss)		0.0	[69]	0.1
Net Change in Unrealized Appreciation (Depreciation)		(0.3)	[69]	0.3
Fair Value, ending balance		0.0	[69]	5.0	[1],[37],[38],[43],[69]	0.0
Interest Income		0.0	[13],[69]	0.3	[14]
PIK Income		0.0	[13],[69]	0.0	[14]
Fee income		0.0	[13],[69]	0.1	[14]
Dividend Income		0.0	[13],[69]	0.0	[14]
Investment, Identifier [Axis]: One Call Care Management Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	23.5	[1],[37],[38],[69]	0.0
Gross Additions		0.0	[9],[69]	43.5	[10],[66]
Gross Reductions		(21.6)	[11],[69]	(21.9)	[12],[66]
Net Realized Gain (Loss)		0.0	[69]	0.0	[66]
Net Change in Unrealized Appreciation (Depreciation)		(1.9)	[69]	1.9	[66]
Fair Value, ending balance		0.0	[69]	23.5	[1],[37],[38],[66],[69]	0.0	[66]
Interest Income		0.0	[13],[69]	0.4	[14],[66]
PIK Income		0.0	[13],[69]	1.6	[14],[66]
Fee income		0.0	[13],[69]	0.0	[14],[66]
Dividend Income		0.0	[13],[69]	0.0	[14],[66]
Investment, Identifier [Axis]: One Call Care Management Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		2.4
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(3.0)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			0.6
Fair Value, ending balance	[67]			0.0		2.4
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: One Call Care Management Inc, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	2.4	[69]	0.0
Gross Additions		0.0	[9],[69]	4.5	[10],[66]
Gross Reductions		(2.1)	[11],[69]	(2.2)	[12],[66]
Net Realized Gain (Loss)		0.0	[69]	(0.2)	[66]
Net Change in Unrealized Appreciation (Depreciation)		(0.3)	[69]	0.3	[66]
Fair Value, ending balance		0.0	[69]	2.4	[66],[69]	0.0	[66]
Interest Income		0.0	[13],[69]	0.0	[14],[66]
PIK Income		0.0	[13],[69]	0.0	[14],[66]
Fee income		0.0	[13],[69]	0.0	[14],[66]
Dividend Income		0.0	[13],[69]	0.0	[14],[66]
Investment, Identifier [Axis]: One Call Care Management Inc, Common Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38]	2.4
Fair Value, ending balance		1.9	[3],[22],[35]	2.4	[1],[30],[37],[38]
Investment, Identifier [Axis]: One Call Care Management Inc, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	4.1
Investment, Identifier [Axis]: One Call Care Management Inc, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	20.9
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock A
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	26.1	[69]	0.0
Gross Additions		0.0	[9],[69]	48.6	[10],[66]
Gross Reductions		(22.8)	[11],[69]	(23.7)	[12],[66]
Net Realized Gain (Loss)		0.0	[69]	(2.1)	[66]
Net Change in Unrealized Appreciation (Depreciation)		(3.3)	[69]	3.3	[66]
Fair Value, ending balance		0.0	[69]	26.1	[66],[69]	0.0	[66]
Interest Income		0.0	[13],[69]	0.0	[14],[66]
PIK Income		0.0	[13],[69]	0.0	[14],[66]
Fee income		0.0	[13],[69]	0.0	[14],[66]
Dividend Income		0.0	[13],[69]	0.0	[14],[66]
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock A 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		25.5
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(32.3)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			6.8
Fair Value, ending balance	[67]			0.0		25.5
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock A, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38]	26.1
Fair Value, ending balance		20.5	[3],[22],[35]	26.1	[1],[30],[37],[38]
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock B
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	9.2	[69]	0.0
Gross Additions		0.0	[9],[69]	15.7	[10],[66]
Gross Reductions		(8.0)	[11],[69]	(8.8)	[12],[66]
Net Realized Gain (Loss)		0.0	[69]	1.1	[66]
Net Change in Unrealized Appreciation (Depreciation)		(1.2)	[69]	1.2	[66]
Fair Value, ending balance		0.0	[69]	9.2	[66],[69]	0.0	[66]
Interest Income		0.0	[13],[69]	0.0	[14],[66]
PIK Income		0.0	[13],[69]	0.8	[14],[66]
Fee income		0.0	[13],[69]	0.0	[14],[66]
Dividend Income		0.0	[13],[69]	0.0	[14],[66]
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock B 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[67]	0.0		10.6
Gross Additions	[4],[67]			0.0
Gross Reductions	[6],[67]			(9.8)
Net Realized Gain (Loss)	[67]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[67]			(0.8)
Fair Value, ending balance	[67]			0.0		10.6
Interest Income	[8],[67]			0.0
PIK Income	[8],[67]			0.0
Fee income	[8],[67]			0.0
Dividend Income	[8],[67]			0.0
Investment, Identifier [Axis]: One Call Care Management Inc, Preferred Stock B, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	9.2
Fair Value, ending balance		7.7	[3],[22]	9.2	[1],[37],[38]
Investment, Identifier [Axis]: Opendoor Labs Inc, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	66.4
Investment, Identifier [Axis]: Opendoor Labs Inc, Structured Mezzanine, Real Estate 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	71.1
Fair Value, ending balance	[1],[31],[38]			71.1
Investment, Identifier [Axis]: Opendoor Labs Inc, Structured Mezzanine, Real Estate 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	88.9
Fair Value, ending balance	[1],[15],[31]			88.9
Investment, Identifier [Axis]: Orchard Marine Limited, Class B Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		(3.1)		0.0
Net Change in Unrealized Appreciation (Depreciation)		3.1		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Orchard Marine Limited, Class B Common Stock, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	0.0
Fair Value, ending balance	[1],[30],[31],[38],[50]			0.0
Investment, Identifier [Axis]: Orchard Marine Limited, Series A Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		64.6		24.6
Gross Additions		0.1	[48]	0.0	[4]
Gross Reductions		(66.0)	[5]	0.0	[6]
Net Realized Gain (Loss)		3.9		0.0
Net Change in Unrealized Appreciation (Depreciation)		(2.6)		40.0
Fair Value, ending balance		0.0		64.6		24.6
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Orchard Marine Limited, Series A Preferred Stock, Transportation
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	64.6
Fair Value, ending balance	[1],[30],[31],[38],[50]			64.6
Investment, Identifier [Axis]: Oxford Global Resources LLC, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[25],[26],[47]	94.1
Investment, Identifier [Axis]: Oxford Global Resources LLC, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	3.5
Investment, Identifier [Axis]: Oxford Global Resources LLC, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.3
Investment, Identifier [Axis]: Oxford Global Resources LLC, Commercial & Professional Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.1
Investment, Identifier [Axis]: Oxford Global Resources LLC, Senior Secured Loans—First Lien, Commercial & Professional Services - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	15.3
Fair Value, ending balance	[1],[15]			15.3
Investment, Identifier [Axis]: Oxford Global Resources LLC, Senior Secured Loans—First Lien, Commercial & Professional Services - 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.7
Fair Value, ending balance	[1],[15]			3.7
Investment, Identifier [Axis]: Oxford Global Resources LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[45],[46],[52]	88.2
Fair Value, ending balance	[1],[17],[18],[45],[46],[52]			88.2
Investment, Identifier [Axis]: Oxford Global Resources LLC, Senior Secured Loans—First Lien, Commercial & Professional Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.0
Fair Value, ending balance	[1],[38]			4.0
Investment, Identifier [Axis]: P2 Energy Solutions Inc., Senior Secured Loans—First Lien, Software & Services - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.2
Fair Value, ending balance	[1],[38]			4.2
Investment, Identifier [Axis]: P2 Energy Solutions Inc., Senior Secured Loans—First Lien, Software & Services - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[40],[46],[51],[52]	232.0
Fair Value, ending balance	[1],[17],[18],[38],[40],[46],[51],[52]			232.0
Investment, Identifier [Axis]: P2 Energy Solutions Inc., Senior Secured Loans—First Lien, Software & Services - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	9.9
Fair Value, ending balance	[1],[15]			9.9
Investment, Identifier [Axis]: PRG III LLC, Preferred Stock, Series A PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		17.4
Gross Additions	[9]	0.0
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		88.3
Fair Value, ending balance		105.7		17.4
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: PRG III LLC, Preferred Stock, Series A PIK, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38]	17.4
Fair Value, ending balance		105.7	[3],[22],[35],[39]	17.4	[1],[30],[37],[38]
Investment, Identifier [Axis]: PRG III LLC, Preferred Stock, Series B PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[9]	0.0
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		0.0		0.0
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	0.0
Investment, Identifier [Axis]: PRG III LLC, Preferred Stock, Series B PIK, Media & Entertainment
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[39]	0.0	[1],[30],[37],[38]
Investment, Identifier [Axis]: PSKW LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[38],[40],[45],[51]	294.7
Fair Value, ending balance	[1],[18],[38],[40],[45],[51]			294.7
Investment, Identifier [Axis]: PSKW LLC (dba ConnectiveRx), Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[22],[23],[26],[41]	291.8
Investment, Identifier [Axis]: Parata Systems, Senior Secured Loans—First Lien, Health Care Equipment & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46],[52]	74.1
Fair Value, ending balance	[1],[38],[46],[52]			74.1
Investment, Identifier [Axis]: Parata Systems, Senior Secured Loans—First Lien, Health Care Equipment & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	22.1
Fair Value, ending balance	[1],[15]			22.1
Investment, Identifier [Axis]: Parata Systems, Senior Secured Loans—First Lien, Health Care Equipment & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	5.5
Fair Value, ending balance	[1],[15]			5.5
Investment, Identifier [Axis]: Parts Town LLC, Retailing 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[26]	35.9
Investment, Identifier [Axis]: Parts Town LLC, Retailing 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	61.1
Investment, Identifier [Axis]: Parts Town LLC, Senior Secured Loans—First Lien, Retailing - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	86.6
Fair Value, ending balance	[1],[38]			86.6
Investment, Identifier [Axis]: Parts Town LLC, Senior Secured Loans—First Lien, Retailing - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	63.3
Fair Value, ending balance	[1],[15]			63.3
Investment, Identifier [Axis]: PartsSource Inc, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	62.9
Investment, Identifier [Axis]: PartsSource Inc, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.1
Investment, Identifier [Axis]: PartsSource Inc, Health Care Equipment & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	22.1
Investment, Identifier [Axis]: PartsSource Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	64.7
Fair Value, ending balance	[1],[38]			64.7
Investment, Identifier [Axis]: PartsSource Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.2
Fair Value, ending balance	[1],[15]			4.2
Investment, Identifier [Axis]: PartsSource Inc, Senior Secured Loans—First Lien, Health Care Equipment & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	22.5
Fair Value, ending balance	[1],[15]			22.5
Investment, Identifier [Axis]: Peraton Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	9.0
Fair Value, ending balance	[1],[38],[43]			9.0
Investment, Identifier [Axis]: Peraton Corp, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[41]	174.7
Investment, Identifier [Axis]: Peraton Corp, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	128.8
Investment, Identifier [Axis]: Peraton Corp, Senior Secured Loans—Second Lien, Capital Goods - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40]	178.5
Fair Value, ending balance	[1],[38],[40]			178.5
Investment, Identifier [Axis]: Peraton Corp, Senior Secured Loans—Second Lien, Capital Goods - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	158.7
Fair Value, ending balance	[1],[38]			158.7
Investment, Identifier [Axis]: Performance Health Holdings Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[51],[52]	120.2
Fair Value, ending balance	[1],[38],[51],[52]			120.2
Investment, Identifier [Axis]: Performance Health Holdings Inc, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[23],[25],[47]	105.4
Investment, Identifier [Axis]: Petrochoice Holdings Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	57.6
Fair Value, ending balance	[1],[38]			57.6
Investment, Identifier [Axis]: Petroplex Acidizing Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.7	[1],[27],[30],[38],[50]	4.5
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		(16.7)	[5]	(0.2)	[6]
Net Realized Gain (Loss)		(5.3)		0.0
Net Change in Unrealized Appreciation (Depreciation)		12.3		5.4
Fair Value, ending balance		0.0		9.7	[1],[27],[30],[38],[50]	4.5
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Petroplex Acidizing Inc, Preferred Stock A
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.4	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		(4.9)		0.0
Net Change in Unrealized Appreciation (Depreciation)		4.9		(0.4)
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.4	[8]
Investment, Identifier [Axis]: Petroplex Acidizing Inc, Preferred Stock A, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.0
Fair Value, ending balance	[1],[30],[38],[50]			0.0
Investment, Identifier [Axis]: Petroplex Acidizing Inc, Trade Claim, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35]	0.6
Investment, Identifier [Axis]: Petroplex Acidizing Inc, Warrant
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Petroplex Acidizing Inc, Warrant, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.0
Fair Value, ending balance	[1],[30],[38],[50]			0.0
Investment, Identifier [Axis]: Polyconcept North America Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	22.7
Fair Value, ending balance	[1],[38],[43]			22.7
Investment, Identifier [Axis]: Polyconcept North America Inc 2/16/24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	10.0
Fair Value, ending balance	[1],[38]			10.0
Investment, Identifier [Axis]: Polyconcept North America Inc, Class A - 1 Units, Household & Personal Products
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	4.3
Fair Value, ending balance		10.3	[3],[22]	4.3	[1],[30],[38]
Investment, Identifier [Axis]: Premium Credit Ltd 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	75.7
Fair Value, ending balance	[1],[31],[38]			75.7
Investment, Identifier [Axis]: Pretium Partners LLC P1, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	6.8
Fair Value, ending balance	[1],[31],[38]			6.8
Investment, Identifier [Axis]: Pretium Partners LLC P2, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38]	16.4
Fair Value, ending balance	[1],[30],[31],[38]			16.4
Investment, Identifier [Axis]: Pretium Partners LLC P2, Term Loan, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	32.9
Fair Value, ending balance		32.9	[19],[22],[36]	32.9	[1],[31],[38]
Investment, Identifier [Axis]: Prime ST LLC, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	9.1
Fair Value, ending balance		0.0	[19],[22],[35],[36],[39]	9.1	[1],[30],[31],[37],[38]
Investment, Identifier [Axis]: Prime ST LLC, Structured Mezzanine, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[37],[38]	52.4
Fair Value, ending balance		43.5	[19],[22],[36],[39]	52.4	[1],[31],[37],[38]
Investment, Identifier [Axis]: Prime St LLC, Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.1		3.9
Gross Additions		0.0	[9]	4.6	[10]
Gross Reductions		(0.3)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(8.8)		0.6
Fair Value, ending balance		0.0		9.1		3.9
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Prime St LLC, Structured Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		52.4		22.8
Gross Additions		3.3	[9]	27.6	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(12.2)		2.0
Fair Value, ending balance		43.5		52.4		22.8
Interest Income		3.2	[13]	0.9	[14]
PIK Income		3.1	[13]	2.2	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Production Resource Group LLC 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		133.3		0.0
Gross Additions		19.3	[9]	124.9	[10]
Gross Reductions		(0.3)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.2		8.4
Fair Value, ending balance		152.5		133.3		0.0
Interest Income		12.9	[13]	5.4	[14]
PIK Income		8.0	[13]	3.8	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Production Resource Group LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.1		0.0
Gross Additions		0.0	[9]	0.1	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.1		0.1		0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Production Resource Group LLC 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		64.4		0.0
Gross Additions		3.7	[9]	60.6	[10]
Gross Reductions		(0.6)	[11]	(0.4)	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.6		4.2
Fair Value, ending balance		68.1		64.4		0.0
Interest Income		6.4	[13]	2.8	[14]
PIK Income		2.0	[13]	0.8	[14]
Fee income		0.0	[13]	0.4	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Production Resource Group LLC 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		20.2		0.0
Gross Additions		11.1	[9]	20.2	[10]
Gross Reductions		(0.3)	[11]	(0.1)	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.3		0.1
Fair Value, ending balance		31.3		20.2		0.0
Interest Income		0.0	[13]	0.4	[14]
PIK Income		0.9	[13]	0.0	[14]
Fee income		0.0	[13]	0.1	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Production Resource Group LLC, Media & Entertainment 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	64.6
Investment, Identifier [Axis]: Production Resource Group LLC, Media & Entertainment 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	152.5
Investment, Identifier [Axis]: Production Resource Group LLC, Media & Entertainment 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	0.1
Investment, Identifier [Axis]: Production Resource Group LLC, Media & Entertainment 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	34.8
Investment, Identifier [Axis]: Production Resource Group LLC, Preferred Stock, Series A PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		17.4		0.0
Gross Additions	[10]			18.1
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				(0.7)
Fair Value, ending balance				17.4		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Production Resource Group LLC, Preferred Stock, Series B PIK
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Production Resource Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	64.4
Fair Value, ending balance	[1],[37],[38]			64.4
Investment, Identifier [Axis]: Production Resource Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	133.3
Fair Value, ending balance	[1],[37],[38]			133.3
Investment, Identifier [Axis]: Production Resource Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	0.1
Fair Value, ending balance	[1],[37],[38]			0.1
Investment, Identifier [Axis]: Production Resource Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	20.2
Fair Value, ending balance	[1],[37],[38]			20.2
Investment, Identifier [Axis]: Production Resource Group LLC, Senior Secured Loans—First Lien, Media & Entertainment -5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[37]	10.1
Fair Value, ending balance	[1],[15],[37]			10.1
Investment, Identifier [Axis]: Propulsion Acquisition LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[38],[40],[45],[52]	61.1
Fair Value, ending balance	[1],[18],[38],[40],[45],[52]			61.1
Investment, Identifier [Axis]: Proserv Acquisition LLC, Class A Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.1		9.0
Gross Additions		0.1	[48]	0.0	[4]
Gross Reductions		0.0	[5]	(0.1)	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.9		(8.8)
Fair Value, ending balance		1.1		0.1		9.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Proserv Acquisition LLC, Class A Common Units, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	0.1
Fair Value, ending balance		1.1	[3],[22],[35],[36],[49]	0.1	[1],[30],[31],[38],[50]
Investment, Identifier [Axis]: Proserv Acquisition LLC, Class A Preferred Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9.3		9.5
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.2		(0.2)
Fair Value, ending balance		9.5		9.3		9.5
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: Proserv Acquisition LLC, Class A Preferred Units, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[38],[50]	9.3
Fair Value, ending balance		9.5	[3],[22],[35],[36],[49]	9.3	[1],[30],[31],[38],[50]
Investment, Identifier [Axis]: Pure Fishing Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46],[52]	168.1
Fair Value, ending balance	[1],[38],[46],[52]			168.1
Investment, Identifier [Axis]: Pure Fishing Inc, Consumer Durables & Apparel 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	22.6
Investment, Identifier [Axis]: Pure Fishing Inc, Consumer Durables & Apparel 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	56.1
Investment, Identifier [Axis]: Qdoba Restaurant Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[46]	10.8
Fair Value, ending balance	[1],[38],[43],[46]			10.8
Investment, Identifier [Axis]: Quorum Health Corp, Trade Claim, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.9
Fair Value, ending balance		0.9	[3],[22],[35]	0.9	[1],[30],[38]
Investment, Identifier [Axis]: Quorum Health Corp, Trust Initial Funding Units, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.2
Fair Value, ending balance		0.2	[3],[22],[35]	0.2	[1],[30],[38]
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Senior Secured Loans—First Lien, Insurance -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[40],[46],[51],[52]	280.6
Fair Value, ending balance	[1],[17],[18],[38],[40],[46],[51],[52]			280.6
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Senior Secured Loans—First Lien, Insurance -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	4.1
Fair Value, ending balance	[1],[38]			4.1
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Senior Secured Loans—First Lien, Insurance -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	16.3
Fair Value, ending balance	[1],[15]			16.3
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Senior Secured Loans—First Lien, Insurance -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.6
Fair Value, ending balance	[1],[15]			3.6
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Insurance 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[23],[41],[47]	236.0
Investment, Identifier [Axis]: RSC Insurance Brokerage Inc, Insurance 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	7.6
Investment, Identifier [Axis]: Radwell International LLC/PA, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.0
Investment, Identifier [Axis]: Radwell International LLC/PA, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[23],[26]	92.1
Investment, Identifier [Axis]: Radwell International LLC/PA, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.9
Investment, Identifier [Axis]: Reliant Rehab Hospital Cincinnati LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[38],[40],[46],[51],[52]	124.1
Fair Value, ending balance	[1],[18],[38],[40],[46],[51],[52]			124.1
Investment, Identifier [Axis]: Reliant Rehab Hospital Cincinnati LLC, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[22],[23],[25],[41],[47]	84.2
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Senior Secured Loans—First Lien, Software & Services - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	23.3
Fair Value, ending balance	[1],[38],[46]			23.3
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Senior Secured Loans—First Lien, Software & Services - 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	3.4
Fair Value, ending balance	[1],[38]			3.4
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Senior Secured Loans—First Lien, Software & Services - 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.2
Fair Value, ending balance	[1],[15]			3.2
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Senior Secured Loans—First Lien, Software & Services - 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.5
Fair Value, ending balance	[1],[15]			7.5
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	33.5
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.5
Investment, Identifier [Axis]: Revere Superior Holdings Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	1.7
Investment, Identifier [Axis]: Ridgeback Resources Inc, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[30],[31],[38],[61]	9.9
Fair Value, ending balance		8.6	[3],[22],[36],[62],[63]	9.9	[1],[16],[30],[31],[38],[61]
Investment, Identifier [Axis]: Rise Baking Company, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	2.7
Fair Value, ending balance	[1],[38]			2.7
Investment, Identifier [Axis]: Rise Baking Company, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[18],[46]	28.2
Fair Value, ending balance	[1],[18],[46]			28.2
Investment, Identifier [Axis]: Rise Baking Company, Senior Secured Loans—First Lien, Food, Beverage & Tobacco -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	2.5
Fair Value, ending balance	[1],[15]			2.5
Investment, Identifier [Axis]: Rise Baking Company, Food, Beverage & Tobacco 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.3
Investment, Identifier [Axis]: Rise Baking Company, Food, Beverage & Tobacco 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[21],[47]	27.4
Investment, Identifier [Axis]: Rise Baking Company, Food, Beverage & Tobacco 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	3.7
Investment, Identifier [Axis]: Roemanu LLC (FKA Toorak Capital Partners LLC), Private Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		199.3
Gross Additions	[9]	78.3
Gross Reductions	[11]	0.0
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		(16.4)
Fair Value, ending balance		261.2		199.3
Interest Income	[13]	0.0
PIK Income	[13]	0.0
Fee income	[13]	0.0
Dividend Income	[13]	18.8
Investment, Identifier [Axis]: Roemanu LLC (FKA Toorak Capital Partners LLC), Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	261.2
Investment, Identifier [Axis]: Roemanu LLC (FKA Toorak Capital Partners LLC), Structured Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		22.0
Gross Additions	[9]	32.0
Gross Reductions	[11]	(54.0)
Net Realized Gain (Loss)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		0.0		22.0
Interest Income	[13]	0.0
PIK Income	[13]	0.6
Fee income	[13]	0.0
Dividend Income		0.0
Investment, Identifier [Axis]: SAMBA Safety Inc, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	2.4
Fair Value, ending balance	[1],[15]			2.4
Investment, Identifier [Axis]: SAMBA Safety Inc, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.0
Fair Value, ending balance	[1],[15]			6.0
Investment, Identifier [Axis]: SAMBA Safety Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[47]	6.0
Investment, Identifier [Axis]: SAMBA Safety Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	2.4
Investment, Identifier [Axis]: SIRVA Worldwide Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	5.7
Fair Value, ending balance	[1],[38],[43]			5.7
Investment, Identifier [Axis]: Safe-Guard Products International LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[45],[46],[52]	45.1
Fair Value, ending balance	[1],[45],[46],[52]			45.1
Investment, Identifier [Axis]: Safe-Guard Products International LLC, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[25]	0.1
Investment, Identifier [Axis]: Saluda Grade Alternative Mortgage Trust 2022-BC2, Structured Mezzanine, Real Estate 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	5.7
Investment, Identifier [Axis]: Saluda Grade Alternative Mortgage Trust 2022-BC2, Structured Mezzanine, Real Estate 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	2.4
Investment, Identifier [Axis]: Saluda Grade Alternative Mortgage Trust 2022-BC2, Term Loan, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	10.3
Investment, Identifier [Axis]: SavATree LLC, Senior Secured Loans—First Lien, Consumer Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	1.9
Fair Value, ending balance	[1],[38]			1.9
Investment, Identifier [Axis]: SavATree LLC, Senior Secured Loans—First Lien, Consumer Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.6
Fair Value, ending balance	[1],[15]			7.6
Investment, Identifier [Axis]: SavATree LLC, Senior Secured Loans—First Lien, Consumer Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.3
Fair Value, ending balance	[1],[15]			6.3
Investment, Identifier [Axis]: SavATree LLC, Consumer Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	5.4
Investment, Identifier [Axis]: SavATree LLC, Consumer Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	3.9
Investment, Identifier [Axis]: SavATree LLC, Consumer Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.2
Investment, Identifier [Axis]: Sequa Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[46]	5.9
Fair Value, ending balance	[1],[38],[43],[46]			5.9
Investment, Identifier [Axis]: Sequa Corp, Fair Value Hierarchy, Senior Secured Loans—First Lien, Capital Goods -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43],[46]	16.2
Fair Value, ending balance	[1],[38],[43],[46]			16.2
Investment, Identifier [Axis]: Sequa Corp, Fair Value Hierarchy, Senior Secured Loans—First Lien, Capital Goods -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	17.2
Fair Value, ending balance	[1],[38]			17.2
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38]	51.6
Fair Value, ending balance	[1],[27],[30],[38]			51.6
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38]	8.9
Fair Value, ending balance	[1],[27],[30],[38]			8.9
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	36.0
Fair Value, ending balance	[1],[38]			36.0
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Senior Secured Loans—First Lien, Health Care Equipment & Services -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	6.0
Fair Value, ending balance	[1],[15]			6.0
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Class R Common Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[35],[60]	0.0
Investment, Identifier [Axis]: Sequel Youth & Family Services LLC, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35]	0.3
Investment, Identifier [Axis]: SitusAMC Holdings Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38]	94.4
Fair Value, ending balance	[1],[17],[18],[38]			94.4
Investment, Identifier [Axis]: SitusAMC Holdings Corp, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[26]	53.2
Investment, Identifier [Axis]: Solera LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	317.6
Fair Value, ending balance	[1],[38],[43]			317.6
Investment, Identifier [Axis]: Solera LLC, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	307.7
Investment, Identifier [Axis]: Solina France SASU, Food, Beverage & Tobacco
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[47]	39.1
Investment, Identifier [Axis]: Sorenson Communications LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[38],[43],[45],[50],[52],[70]	60.1
Gross Additions	[48],[70]	0.0
Gross Reductions	[5],[70]	(56.9)
Net Realized Gain (Loss)	[70]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[70]	(3.2)
Fair Value, ending balance	[70]	0.0		60.1	[1],[17],[38],[43],[45],[50],[52]
Interest Income	[7],[70]	0.0
PIK Income	[7],[70]	0.0
Fee income	[7],[70]	0.0
Dividend Income	[7],[70]	0.0
Investment, Identifier [Axis]: Sorenson Communications LLC 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[71]	60.1		0.0
Gross Additions	[4],[71]			61.8
Gross Reductions	[6],[71]			(5.1)
Net Realized Gain (Loss)	[71]			0.2
Net Change in Unrealized Appreciation (Depreciation)	[71]			3.2
Fair Value, ending balance	[71]			60.1		0.0
Interest Income	[8],[71]			2.8
PIK Income	[8],[71]			0.0
Fee income	[8],[71]			0.0
Dividend Income	[8],[71]			0.0
Investment, Identifier [Axis]: Sorenson Communications LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[4]			22.0
Gross Reductions	[6]			(22.2)
Net Realized Gain (Loss)				0.2
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				0.0		0.0
Interest Income	[8]			0.4
PIK Income	[8]			0.9
Fee income	[8]			0.0
Dividend Income	[8]			0.0
Investment, Identifier [Axis]: Sorenson Communications LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[71]	67.5	[70]	0.0
Gross Additions		0.0	[48],[70]	42.5	[4],[71]
Gross Reductions		(65.4)	[5],[70]	0.0	[6],[71]
Net Realized Gain (Loss)		22.9	[70]	0.0	[71]
Net Change in Unrealized Appreciation (Depreciation)		(25.0)	[70]	25.0	[71]
Fair Value, ending balance		0.0	[70]	67.5	[70],[71]	0.0	[71]
Interest Income		0.0	[7],[70]	0.0	[8],[71]
PIK Income		0.0	[7],[70]	0.0	[8],[71]
Fee income		0.0	[7],[70]	0.0	[8],[71]
Dividend Income		0.0	[7],[70]	0.0	[8],[71]
Investment, Identifier [Axis]: Sorenson Communications LLC, Common Stock, Telecommunication Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[16],[30],[38],[50],[61]	67.5
Fair Value, ending balance		0.0	[3],[22],[35],[62],[63]	67.5	[1],[16],[30],[38],[50],[61]
Investment, Identifier [Axis]: Sorenson Communications LLC, Telecommunication Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[25],[26],[44]	32.2
Investment, Identifier [Axis]: Sorenson Communications LLC, Telecommunication Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[62],[63]	9.3
Investment, Identifier [Axis]: Sorenson Communications LLC, Telecommunication Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[62],[63]	34.1
Investment, Identifier [Axis]: Sound United LLC 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		14.9
Gross Additions	[10]			0.0
Gross Reductions	[12]			(15.0)
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.1
Fair Value, ending balance				0.0		14.9
Interest Income	[14]			0.4
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Sound United LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		20.9
Gross Additions	[10]			1.7
Gross Reductions	[12]			(22.6)
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				0.0		20.9
Interest Income	[14]			0.0
PIK Income	[14]			1.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Sound United LLC, Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				(1.1)
Net Change in Unrealized Appreciation (Depreciation)				1.1
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Sound United LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		77.5		29.3
Gross Additions		0.0	[9]	0.0	[10]
Gross Reductions		(17.3)	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		(60.2)		48.2
Fair Value, ending balance		0.0		77.5		29.3
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	20.0	[14]
Investment, Identifier [Axis]: Sound United LLC, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	77.5
Fair Value, ending balance		7.0	[3],[22],[35]	77.5	[1],[37],[38]
Investment, Identifier [Axis]: Sound United LLC, Series I Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				(0.5)
Net Change in Unrealized Appreciation (Depreciation)				0.5
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Sound United LLC, Series II Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions	[10]			0.0
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				(0.5)
Net Change in Unrealized Appreciation (Depreciation)				0.5
Fair Value, ending balance				0.0		0.0
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Source Code LLC, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[45]	52.2
Fair Value, ending balance	[1],[17],[18],[45]			52.2
Investment, Identifier [Axis]: Source Code LLC, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	15.0
Fair Value, ending balance	[1],[15]			15.0
Investment, Identifier [Axis]: Source Code LLC, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[26]	51.3
Investment, Identifier [Axis]: Source Code LLC, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	14.8
Investment, Identifier [Axis]: Spins LLC, FSK CLO, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40],[45],[46]	61.3
Fair Value, ending balance	[1],[38],[40],[45],[46]			61.3
Investment, Identifier [Axis]: Spins LLC, FSK CLO, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	7.9
Fair Value, ending balance	[1],[15]			7.9
Investment, Identifier [Axis]: Spins LLC, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[26],[41],[47]	68.2
Investment, Identifier [Axis]: Spins LLC, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	16.5
Investment, Identifier [Axis]: Spins LLC, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	7.9
Investment, Identifier [Axis]: Staples Canada
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	29.1
Fair Value, ending balance	[1],[31],[38]			29.1
Investment, Identifier [Axis]: Staples Canada, Retailing
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	22.9
Investment, Identifier [Axis]: Star Mountain Diversified Credit Income Fund III, LP, Private Equity, Diversified Financials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[64]	24.3
Fair Value, ending balance		23.8	[19],[36],[65]	24.3	[1],[31],[64]
Investment, Identifier [Axis]: Strategic Credit Opportunities Partners, LLC 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,396.2		712.5
Gross Additions	[10]			586.4
Gross Reductions	[12]			0.0
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				97.3
Fair Value, ending balance				1,396.2		712.5
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			126.9
Investment, Identifier [Axis]: Stuart Weitzman Inc, Common Stock, Consumer Durables & Apparel
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	0.0
Fair Value, ending balance		0.0	[3],[22],[35]	0.0	[1],[30],[38]
Investment, Identifier [Axis]: Summit Interconnect Inc, Senior Secured Loans—First Lien, Capital Goods-1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[52]	106.9
Fair Value, ending balance	[1],[17],[18],[38],[45],[52]			106.9
Investment, Identifier [Axis]: Summit Interconnect Inc, Senior Secured Loans—First Lien, Capital Goods-2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	48.2
Fair Value, ending balance	[1],[15]			48.2
Investment, Identifier [Axis]: Summit Interconnect Inc, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[22],[25],[26],[47]	128.7
Investment, Identifier [Axis]: Summit Interconnect Inc, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	8.9
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[27],[30],[38],[50]	8.3
Fair Value, ending balance	[1],[27],[30],[38],[50]			8.3
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[70]	6.0
Gross Additions	[48],[70]	0.1
Gross Reductions	[5],[70]	0.0
Net Realized Gain (Loss)	[70]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[70]	(5.6)
Fair Value, ending balance	[70]	0.5		6.0
Interest Income	[7],[70]	0.0
PIK Income	[7],[70]	0.0
Fee income	[7],[70]	0.0
Dividend Income	[7],[70]	0.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		8.3	[70]	0.0
Gross Additions		0.0	[48],[70]	13.6	[4]
Gross Reductions		(0.2)	[5],[70]	0.1	[6]
Net Realized Gain (Loss)		0.0	[70]	0.0
Net Change in Unrealized Appreciation (Depreciation)		(8.1)	[70]	(5.4)
Fair Value, ending balance		0.0	[70]	8.3	[70]	0.0
Interest Income		0.0	[7],[70]	0.7	[8]
PIK Income		0.0	[7],[70]	0.2	[8]
Fee income		0.0	[7],[70]	0.0	[8]
Dividend Income		0.0	[7],[70]	0.0	[8]
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[71]	6.0		0.0
Gross Additions	[4],[71]			5.7
Gross Reductions	[6],[71]			0.0
Net Realized Gain (Loss)	[71]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[71]			0.3
Fair Value, ending balance	[71]			6.0		0.0
Interest Income		0.3	[7],[70]	0.2	[8],[71]
PIK Income		0.2	[7],[70]	0.1	[8],[71]
Fee income		0.3	[7],[70]	0.0	[8],[71]
Dividend Income		0.0	[7],[70]	0.0	[8],[71]
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[70]	0.0
Gross Additions	[48],[70]	4.5
Gross Reductions	[5],[70]	(2.5)
Net Realized Gain (Loss)	[70]	0.0
Net Change in Unrealized Appreciation (Depreciation)	[70]	0.0
Fair Value, ending balance	[70]	2.0		0.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Senior Secured Loans, First Lien
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[50]	6.0
Fair Value, ending balance	[1],[38],[50]			6.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[71]	0.0		0.0
Gross Additions	[4],[71]			6.9
Gross Reductions	[6],[71]			0.0
Net Realized Gain (Loss)	[71]			0.0
Net Change in Unrealized Appreciation (Depreciation)	[71]			(6.9)
Fair Value, ending balance	[71]			0.0		0.0
Interest Income	[8],[71]			0.0
PIK Income	[8],[71]			0.0
Fee income	[8],[71]			0.0
Dividend Income	[8],[71]			0.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[40],[50],[61]	0.0
Fair Value, ending balance	[1],[30],[38],[40],[50],[61]			0.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[49]	2.0
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[49]	0.5
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[49]	1.2
Investment, Identifier [Axis]: Sungard Availability Services Capital Inc, Software & Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[49]	0.0
Investment, Identifier [Axis]: Sungard Availbaility Services Capital Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[48]	0.0
Gross Reductions	[5]	0.0
Net Realized Gain (Loss)		(6.9)
Net Change in Unrealized Appreciation (Depreciation)		6.9
Fair Value, ending balance		0.0		0.0
Interest Income	[7]	0.0
PIK Income	[7]	0.0
Fee income	[7]	0.0
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Commercial & Professional Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	72.2
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Commercial & Professional Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.0
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Commercial & Professional Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.7
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	56.3
Fair Value, ending balance	[1],[38],[46]			56.3
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	1.8
Fair Value, ending balance	[1],[38]			1.8
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	17.3
Fair Value, ending balance	[1],[15]			17.3
Investment, Identifier [Axis]: Sweeping Corp of America Inc, Senior Secured Loans—First Lien, Commercial & Professional Services -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	3.9
Fair Value, ending balance	[1],[15]			3.9
Investment, Identifier [Axis]: Swift Worldwide Resources Holdco Ltd, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38]	1.1
Fair Value, ending balance		1.0	[3],[22],[35]	1.1	[1],[30],[38]
Investment, Identifier [Axis]: TIBCO Software Inc, Preferred Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22]	129.6
Investment, Identifier [Axis]: TIBCO Software Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	35.7
Investment, Identifier [Axis]: TIBCO Software Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	0.8
Investment, Identifier [Axis]: Tangoe LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[40],[46],[51],[52]	147.2
Fair Value, ending balance	[1],[38],[40],[46],[51],[52]			147.2
Investment, Identifier [Axis]: Tangoe LLC, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[41],[47]	147.2
Investment, Identifier [Axis]: Tangoe LLC, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[41],[47]	2.6
Investment, Identifier [Axis]: TeamSystem SpA, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	21.4
Investment, Identifier [Axis]: Tekfor HoldCo (formerly Amtek Global Technology Pte Ltd), Automobiles & Components
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[35],[36],[39]	3.9
Investment, Identifier [Axis]: ThermaSys Corp
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		3.5	[1],[27],[30],[38],[50]	3.9
Gross Additions		0.0	[48]	0.4	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		5.1		(0.8)
Fair Value, ending balance		8.6		3.5	[1],[27],[30],[38],[50]	3.9
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.5	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: ThermaSys Corp, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[32],[35],[49]	8.6
Investment, Identifier [Axis]: ThermaSys Corp, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: ThermaSys Corp, Common Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50],[61]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[49],[62]	0.0	[1],[30],[38],[50],[61]
Investment, Identifier [Axis]: ThermaSys Corp, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0		0.0
Gross Additions		0.0	[48]	0.0	[4]
Gross Reductions		0.0	[5]	0.0	[6]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.0		0.0
Fair Value, ending balance		0.0		0.0		0.0
Interest Income		0.0	[7]	0.0	[8]
PIK Income		0.0	[7]	0.0	[8]
Fee income		0.0	[7]	0.0	[8]
Dividend Income		0.0	[7]	0.0	[8]
Investment, Identifier [Axis]: ThermaSys Corp, Preferred Stock, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[50]	0.0
Fair Value, ending balance		0.0	[3],[22],[35],[49]	0.0	[1],[30],[38],[50]
Investment, Identifier [Axis]: ThreeSixty Group, Retailing 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[47]	45.1
Investment, Identifier [Axis]: ThreeSixty Group, Retailing 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[47]	44.8
Investment, Identifier [Axis]: ThreeSixty Group, Senior Secured Loans—First Lien, Retailing -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	47.7
Fair Value, ending balance	[1],[38],[46]			47.7
Investment, Identifier [Axis]: ThreeSixty Group, Senior Secured Loans—First Lien, Retailing -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[46]	47.4
Fair Value, ending balance	[1],[38],[46]			47.4
Investment, Identifier [Axis]: Time Manufacturing Co, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	42.7
Investment, Identifier [Axis]: Time Manufacturing Co, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	6.9
Investment, Identifier [Axis]: Time Manufacturing Co, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	13.8
Investment, Identifier [Axis]: Time Manufacturing Co, Capital Goods 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	13.9
Investment, Identifier [Axis]: Time Manufacturing Co, Senior Secured Loans—First Lien, Capital Goods - 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	17.2
Fair Value, ending balance	[1],[15]			17.2
Investment, Identifier [Axis]: Time Manufacturing Co, Senior Secured Loans—First Lien, Capital Goods -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	44.8
Fair Value, ending balance	[1],[38]			44.8
Investment, Identifier [Axis]: Time Manufacturing Co, Senior Secured Loans—First Lien, Capital Goods -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38]	5.3
Fair Value, ending balance	[1],[38]			5.3
Investment, Identifier [Axis]: Time Manufacturing Co, Senior Secured Loans—First Lien, Capital Goods -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	13.6
Fair Value, ending balance	[1],[15]			13.6
Investment, Identifier [Axis]: Time Manufacturing Co, Senior Secured Loans—First Lien, Capital Goods -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	4.5
Fair Value, ending balance	[1],[15]			4.5
Investment, Identifier [Axis]: Toorak Capital Funding LLC, Membership Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1.7		6.6
Gross Additions		0.0	[9]	1.3	[10]
Gross Reductions		(1.7)	[11]	(4.9)	[12]
Net Realized Gain (Loss)		(0.2)		0.0
Net Change in Unrealized Appreciation (Depreciation)		0.2		(1.3)
Fair Value, ending balance		0.0		1.7		6.6
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.3	[13]	0.0	[14]
Investment, Identifier [Axis]: Toorak Capital Funding LLC, Membership Interest, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[31],[37],[38]	1.7
Fair Value, ending balance	[1],[30],[31],[37],[38]			1.7
Investment, Identifier [Axis]: Toorak Capital LLC, Membership Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		199.3		235.9
Gross Additions	[10]			2.3
Gross Reductions	[12]			(50.2)
Net Realized Gain (Loss)				10.2
Net Change in Unrealized Appreciation (Depreciation)				1.1
Fair Value, ending balance				199.3		235.9
Interest Income	[14]			0.0
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			18.7
Investment, Identifier [Axis]: Toorak Capital Partners LLC, Private Equity, Real Estate
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	199.3
Fair Value, ending balance	[1],[37],[38]			199.3
Investment, Identifier [Axis]: Toorak Capital Partners LLC, Structured Mezzanine
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		22.0		0.0
Gross Additions	[10]			73.0
Gross Reductions	[12]			(51.0)
Net Realized Gain (Loss)				0.0
Net Change in Unrealized Appreciation (Depreciation)				0.0
Fair Value, ending balance				22.0		0.0
Interest Income	[14]			0.2
PIK Income	[14]			0.0
Fee income	[14]			0.0
Dividend Income	[14]			0.0
Investment, Identifier [Axis]: Toorak Capital Partners LLC, Structured Mezzanine, Real Estate 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	22.0
Fair Value, ending balance	[1],[37],[38]			22.0
Investment, Identifier [Axis]: Toorak Capital Partners LLC, Structured Mezzanine, Real Estate 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[37]	8.0
Fair Value, ending balance	[1],[15],[37]			8.0
Investment, Identifier [Axis]: Transaction Services Group Ltd, Senior Secured Loans—First Lien, Software & Services -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	18.3
Fair Value, ending balance	[1],[31],[38]			18.3
Investment, Identifier [Axis]: Transaction Services Group Ltd, Senior Secured Loans—First Lien, Software & Services -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1]	57.0
Fair Value, ending balance	[1]			57.0
Investment, Identifier [Axis]: Transaction Services Group Ltd, Senior Secured Loans—First Lien, Software & Services -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	123.1
Fair Value, ending balance	[1],[31],[38]			123.1
Investment, Identifier [Axis]: Transaction Services Group Ltd, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	32.1
Investment, Identifier [Axis]: Transaction Services Group Ltd, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[25],[36]	123.5
Investment, Identifier [Axis]: TruckPro LLC
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	10.0
Fair Value, ending balance	[1],[38],[43]			10.0
Investment, Identifier [Axis]: TruckPro LLC, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	9.1
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	1.7
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36],[44]	1.4
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	58.2
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Capital Goods 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	53.4
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Private Equity, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[36]	6.7
Investment, Identifier [Axis]: Ultra Electronics Holdings PLC, Private Equity, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35],[36]	1.2
Investment, Identifier [Axis]: Valeo Foods Group Ltd, Food, Beverage & Tobacco 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	3.6
Investment, Identifier [Axis]: Valeo Foods Group Ltd, Food, Beverage & Tobacco 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	2.8
Investment, Identifier [Axis]: Valeo Foods Group Ltd, Senior Secured Loans—Second Lien, Food, Beverage & Tobacco -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	12.2
Fair Value, ending balance	[1],[31],[38]			12.2
Investment, Identifier [Axis]: Valeo Foods Group Ltd, Senior Secured Loans—Second Lien, Food, Beverage & Tobacco -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	6.8
Fair Value, ending balance	[1],[15],[31]			6.8
Investment, Identifier [Axis]: Vantage Specialty Chemicals Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[38],[43]	0.7
Fair Value, ending balance	[1],[38],[43]			0.7
Investment, Identifier [Axis]: Vantage Specialty Chemicals Inc, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[44]	0.7
Investment, Identifier [Axis]: Versatile Processing Group Inc, Class A - 2 Units, Materials
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[61]	0.0
Fair Value, ending balance		0.0	[3],[35],[62]	0.0	[1],[30],[61]
Investment, Identifier [Axis]: Version1 Software Ltd, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	2.3
Investment, Identifier [Axis]: VetCor Professional Practices LLC, Health Care Equipment & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	80.9
Investment, Identifier [Axis]: VetCor Professional Practices LLC, Health Care Equipment & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	1.8
Investment, Identifier [Axis]: VetCor Professional Practices LLC, Health Care Equipment & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	10.8
Investment, Identifier [Axis]: VetCor Professional Practices LLC, Health Care Equipment & Services 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	4.8
Investment, Identifier [Axis]: Warren Resources Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[66]	18.7		0.0
Gross Additions		0.6	[9]	19.3	[10],[66]
Gross Reductions		(0.2)	[11]	(2.0)	[12],[66]
Net Realized Gain (Loss)		0.0		0.1	[66]
Net Change in Unrealized Appreciation (Depreciation)		(0.5)		1.3	[66]
Fair Value, ending balance		18.6		18.7	[66]	0.0	[66]
Interest Income		2.5	[13]	1.3	[14],[66]
PIK Income		0.2	[13]	0.1	[14],[66]
Fee income		0.0	[13]	0.0	[14],[66]
Dividend Income		0.0	[13]	0.0	[14],[66]
Investment, Identifier [Axis]: Warren Resources Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[37],[38]	18.7
Fair Value, ending balance	[1],[37],[38]			18.7
Investment, Identifier [Axis]: Warren Resources Inc, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		20.4		0.0
Gross Additions		0.0	[9]	12.8	[10]
Gross Reductions		0.0	[11]	0.0	[12]
Net Realized Gain (Loss)		0.0		0.0
Net Change in Unrealized Appreciation (Depreciation)		8.8		7.6
Fair Value, ending balance		29.2		20.4		$ 0.0
Interest Income		0.0	[13]	0.0	[14]
PIK Income		0.0	[13]	0.0	[14]
Fee income		0.0	[13]	0.0	[14]
Dividend Income		0.0	[13]	0.0	[14]
Investment, Identifier [Axis]: Warren Resources Inc, Common Stock, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[37],[38]	20.4
Fair Value, ending balance		29.2	[3],[22],[35],[39]	20.4	[1],[30],[37],[38]
Investment, Identifier [Axis]: Warren Resources Inc, Energy
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[39]	18.6
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Diversified Financials 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	30.7
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Diversified Financials 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	3.2
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Diversified Financials 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	2.0
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Senior Secured Loans—First Lien, Diversified Financials - 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	15.1
Fair Value, ending balance	[1],[31],[38]			15.1
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Senior Secured Loans—First Lien, Diversified Financials -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	0.7
Fair Value, ending balance	[1],[31],[38]			0.7
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Senior Secured Loans—First Lien, Diversified Financials -3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	13.2
Fair Value, ending balance	[1],[15],[31]			13.2
Investment, Identifier [Axis]: Wealth Enhancement Group LLC, Senior Secured Loans—First Lien, Diversified Financials -4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15],[31]	1.0
Fair Value, ending balance	[1],[15],[31]			1.0
Investment, Identifier [Axis]: Wittur Holding GmbH
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[31],[38]	120.9
Fair Value, ending balance	[1],[31],[38]			120.9
Investment, Identifier [Axis]: Wittur Holding GmbH, Capital Goods
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22],[36]	86.1
Investment, Identifier [Axis]: Woolpert Inc, Capital Goods 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[20],[21],[25],[26],[47]	88.6
Investment, Identifier [Axis]: Woolpert Inc, Capital Goods 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	66.7
Investment, Identifier [Axis]: Woolpert Inc, Capital Goods 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	3.6
Investment, Identifier [Axis]: Woolpert Inc, Revolving Credit Facility, Senior Secured Loans—First Lien, Capital Goods -1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[52]	141.2
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[52]			141.2
Investment, Identifier [Axis]: Woolpert Inc, Revolving Credit Facility, Senior Secured Loans—First Lien, Capital Goods -2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[15]	25.9
Fair Value, ending balance	[1],[15]			25.9
Investment, Identifier [Axis]: Worldwise Inc, Class A Private Equity, Household & Personal Products
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35]	1.6
Investment, Identifier [Axis]: Worldwise Inc, Class B Private Equity, Household & Personal Products
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[35]	0.4
Investment, Identifier [Axis]: Worldwise Inc, Household & Personal Products 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	24.4
Investment, Identifier [Axis]: Worldwise Inc, Household & Personal Products 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	18.5
Investment, Identifier [Axis]: Worldwise Inc, Household & Personal Products 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	6.8
Investment, Identifier [Axis]: Worldwise Inc, Household & Personal Products 4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	14.4
Investment, Identifier [Axis]: Worldwise Inc, Household & Personal Products 5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	6.3
Investment, Identifier [Axis]: Zendesk Inc, Software & Services 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[22]	57.5
Investment, Identifier [Axis]: Zendesk Inc, Software & Services 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	14.4
Investment, Identifier [Axis]: Zendesk Inc, Software & Services 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24]	5.9
Investment, Identifier [Axis]: Zeta Interactive Holdings Corp, Common Stock, Software & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[30],[38],[43]	30.4
Fair Value, ending balance	[1],[30],[38],[43]			30.4
Investment, Identifier [Axis]: athenahealth Inc 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[48]	6.8
Gross Reductions	[5]	(6.1)
Net Realized Gain (Loss)		(0.7)
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		0.0		0.0
Interest Income	[7]	0.2
PIK Income	[7]	0.0
Fee income	[7]	0.2
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: athenahealth Inc 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[48]	5.5
Gross Reductions	[5]	(4.7)
Net Realized Gain (Loss)		(0.8)
Net Change in Unrealized Appreciation (Depreciation)		0.0
Fair Value, ending balance		0.0		0.0
Interest Income	[7]	0.1
PIK Income	[7]	0.0
Fee income	[7]	0.0
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: athenahealth Inc, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0.0
Gross Additions	[48]	311.3
Gross Reductions	[5]	(47.5)
Net Realized Gain (Loss)		(1.6)
Net Change in Unrealized Appreciation (Depreciation)		(31.0)
Fair Value, ending balance		231.2		0.0
Interest Income	[7]	0.0
PIK Income	[7]	29.0
Fee income	[7]	0.0
Dividend Income	[7]	0.0
Investment, Identifier [Axis]: athenahealth Inc, Preferred Stock, Health Care Equipment & Services
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[3],[22],[49]	231.2
Investment, Identifier [Axis]: hibu Inc
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance	[1],[17],[18],[38],[45],[46],[52]	104.6
Fair Value, ending balance	[1],[17],[18],[38],[45],[46],[52]			$ 104.6
Investment, Identifier [Axis]: iNova Pharmaceuticals (Australia) Pty Limited, Pharmaceuticals, Biotechnology & Life Sciences
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, ending balance	[19],[24],[36]	$ 2.2

[1] Fair value determined by the Company’s board of directors (see Note 8).

[2] For the year ended December 31, 2021, amount excludes $11 of unrealized depreciation on unfunded commitments acquired from the 2021 Merger.

[3] Fair value determined by the Company’s board of directors (see Note 8).

[4] Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category.

[5] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category.

[6] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category.

[7] Interest, PIK, fee and dividend and other income presented for the full year ended December 31, 2022.

[8] Interest, PIK, fee and dividend income presented for the full year ended December 31, 2021.

[9] Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category.

[10] Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category.

[11] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category.

[12] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category.

[13] Interest, PIK, fee and dividend and other income presented for the full year ended December 31, 2022.

[14] Interest, PIK, fee and dividend income presented for the full year ended December 31, 2021.

[15] Security is an unfunded commitment. Reflects the stated spread at the time of commitment, but may not be the actual rate received upon funding.

[16] Security or portion thereof held within Cobbs Creek LLC and is pledged as collateral supporting the amounts outstanding under the senior secured revolving credit facility (see Note 9).

[17] Security or portion thereof held within Darby Creek LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Deutsche Bank AG, New York Branch (see Note 9).

[18] Security or portion thereof held within Dunlap Funding LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Deutsche Bank AG, New York Branch (see Note 9).

[19] Listed investments may be treated as debt for GAAP or tax purposes.

[20] Security or portion thereof held within Darby Creek LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Deutsche Bank AG, New York Branch (see Note 9).

[21] Security or portion thereof held within Dunlap Funding LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Deutsche Bank AG, New York Branch (see Note 9).

[22] Security or portion thereof is pledged as collateral supporting the amounts outstanding under the Senior Secured Revolving Credit Facility (see Note 9).

[23] Security or portion thereof was held within CCT Tokyo Funding LLC and was pledged as collateral supporting the amounts outstanding under the revolving credit facility with Sumitomo Mitsui Banking Corporation (see Note 9).

[24] Security is an unfunded commitment. Reflects the stated spread at the time of commitment, but may not be the actual rate received upon funding.

[25] Security or portion thereof held within Ambler Funding LLC and is pledged as collateral supporting the amounts outstanding under the revolving credit facility with Ally Bank (see Note 9).

[26] Security or portion thereof held within Meadowbrook Run LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Morgan Stanley Senior Funding, Inc. (see Note 9).

[27] Asset is on non-accrual status.

[28] Security held within IC Arches Investments LLC, a wholly-owned subsidiary of the Company.

[29] Security held within IC II Arches Investments, LLC, a wholly-owned subsidiary of the Company.

[30] Security is non-income producing

[31] The investment is not a qualifying asset under the Investment Company Act of 1940, as amended. A business development company may not acquire any asset other than qualifying assets, unless, at the time the acquisition is made, qualifying assets represent at least 70% of the company’s total assets. As of December 31, 2021, 75.1% of the Company’s total assets represented qualifying assets.

[32] Asset is on non-accrual status.

[33] Security held within IC Arches Investments LLC, a wholly-owned subsidiary of the Company.

[34] Security held within IC II Arches Investments, LLC, a wholly-owned subsidiary of the Company.

[35] Security is non-income producing.

[36] The investment is not a qualifying asset under the Investment Company Act of 1940, as amended. A business development company may not acquire any asset other than qualifying assets, unless, at the time the acquisition is made, qualifying assets represent at least 70% of the company’s total assets. As of December 31, 2022, 75.3% of the Company’s total assets represented qualifying assets.

[37] Under the Investment Company Act of 1940, as amended, the Company generally is deemed to “control” a portfolio company if it owns more than 25% of the portfolio company’s voting securities or it has the power to exercise control over the management or policies of such portfolio company. As of December 31, 2021, the Company held investments in one portfolio company of which it is deemed to be an “affiliated person” and deemed to “control”. During the year ended December 31, 2021, the Company disposed of investments in one portfolio of which it was deemed to be an "affiliated person" and deemed to "control". The following table presents certain information with respect to investments in portfolio companies of which the Company was deemed to be an affiliated person and deemed to control as of December 31, 2021: Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Senior Secured Loans—First LienAdvanced Lighting Technologies Inc$12.0 $4.1 $(15.9)$(4.6)$4.4 $— $— $— $— $— Amtek Global Technology Pte Ltd59.7 2.4 — — (27.3)34.8 1.1 1.4 — — ATX Networks Corp— 46.8 — — — 46.8 1.3 — — —   HM Dunn Co Inc(4) — 49.2 (7.1)(8.5)— 33.6 0.5 — — —   HM Dunn Co Inc(4) — 14.0 (19.0)7.0 — 2.0 0.4 0.8 — — One Call Care Management Inc— 9.7 (5.1)0.1 0.3 5.0 0.3 — 0.1 — Production Resource Group LLC— 124.9 — — 8.4 133.3 5.4 3.8 — — Production Resource Group LLC— 0.1 — — — 0.1 — — — — Production Resource Group LLC— 60.6 (0.4)— 4.2 64.4 2.8 0.8 0.4 — Production Resource Group LLC— 20.2 (0.1)— 0.1 20.2 0.4 — 0.1 — Sound United LLC14.9 — (15.0)— 0.1 — 0.4 — — —   Warren Resources Inc(4) — 19.3 (2.0)0.1 1.3 18.7 1.3 0.1 — — Senior Secured Loans—Second LienAmtek Global Technology Pte Ltd0.1 (1.8)— (10.4)12.1 — (1.9)— — — Sound United LLC20.9 1.7 (22.6)— — — — 1.0 — — Other Senior Secured DebtAdvanced Lighting Technologies Inc— — (0.7)(22.9)23.6 — — — — —  JW Aluminum Co(4) — 75.5 — — 5.5 81.0 6.2 — — —  One Call Care Management Inc(4) — 43.5 (21.9)— 1.9 23.5 0.4 1.6 — — Subordinated DebtATX Networks Corp— 4.8 — — 2.3 7.1 — — — — Hilding Anders32.4 — — — 14.2 46.6 — — — — Hilding Anders— — — — — — — — — —  Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Hilding Anders30.3 — — — (30.3)— — — — — Asset Based Finance801 5th Ave, Seattle, Structure Mezzanine29.4 25.7 — — 2.1 57.2 3.6 1.3 — — 801 5th Ave, Seattle, Private Equity10.3 9.6 — — 3.2 23.1 — — — — Avida Holding AB, Common Stock38.3 9.1 — — 4.9 52.3 — — — — Kilter Finance, Preferred Stock0.2 34.4 — — 1.5 36.1 1.3 1.2 — — Kilter Finance, Private Equity0.2 0.3 — — — 0.5 — — — — KKR Rocket Loans Aggregator LLC, Partnership Interest— 1.4 — — — 1.4 — — — 0.1 My Community Homes SFR PropCo 2, Private Equity— 33.0 — — — 33.0 — — — — Prime St LLC, Private Equity3.9 4.6 — — 0.6 9.1 — — — — Prime St LLC, Structured Mezzanine22.8 27.6 — — 2.0 52.4 0.9 2.2 — — Toorak Capital Funding LLC, Membership Interest6.6 1.3 (4.9)— (1.3)1.7 — — — — Toorak Capital LLC, Membership Interest235.9 2.3 (50.2)10.2 1.1 199.3 — — — 18.7 Toorak Capital Partners LLC, Structured Mezzanine— 73.0 (51.0)— — 22.0 0.2 — — — Credit Opportunities Partners JV, LLCCredit Opportunities Partners JV, LLC712.5 586.4 — — 97.3 1,396.2 — — — 126.9 Equity/OtherAdvanced Lighting Technologies Inc, Common Stock— — — (16.5)16.5 — — — — — Advanced Lighting Technologies Inc, Warrant— — — (0.1)0.1 — — — — — Amtek Global Technology Pte Ltd, Common Stock— — — — — — — — — — Amtek Global Technology Pte Ltd, Ordinary Shares— — — — — — — — — — Amtek Global Technology Pte Ltd, Trade Claim— — (1.4)0.4 1.0 — — — — — Amtek Global Technology Pte Ltd, Private Equity— — — — — — — — — — ATX Networks Corp, Common Stock— — — — — — — — — — Hilding Anders, Class A Common Stock— — — — — — — — — — Hilding Anders, Class B Common Stock— — — — — — — — — — Hilding Anders, Class C Common Stock— — — — — — — — — — Hilding Anders, Equity Options— — — — — — — — — —   HM Dunn Co Inc, Preferred Stock, Series A(4) — 7.1 — — — 7.1 — — — —   HM Dunn Co Inc, Preferred Stock, Series B(4) — — — — — — — — — —   JW Aluminum Co, Common Stock(4) — — — — — — — — — —   JW Aluminum Co, Preferred Stock(4) — 177.9 — — (55.3)122.6 0.4 20.9 — —   One Call Care Management Inc, Common Stock(4) — 4.5 (2.2)(0.2)0.3 2.4 — — — —   One Call Care Management Inc, Preferred Stock A(4) — 48.6 (23.7)(2.1)3.3 26.1 — — — —   One Call Care Management Inc, Preferred Stock B(4) — 15.7 (8.8)1.1 1.2 9.2 — 0.8 — — Production Resource Group LLC, Preferred Stock, Series A PIK— 18.1 — — (0.7)17.4 — — — —  Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Production Resource Group LLC, Preferred Stock, Series B PIK— — — — — — — — — — Sound United LLC, Class A Units— — — (1.1)1.1 — — — — — Sound United LLC, Common Stock29.3 — — — 48.2 77.5 — — — 20.0 Sound United LLC, Series I Units— — — (0.5)0.5 — — — — — Sound United LLC, Series II Units— — — (0.5)0.5 — — — — — Warren Resources Inc, Common Stock— 12.8 — — 7.6 20.4 — — — — Total$1,259.7 $1,568.4 $(252.0)$(48.5)$156.5 $2,684.1 $25.0 $35.9 $0.6 $165.7 

[38] Security or portion thereof is pledged as collateral supporting the amounts outstanding under the Senior Secured Revolving Credit Facility (see Note 9).

[39] Under the Investment Company Act of 1940, as amended, the Company generally is deemed to “control” a portfolio company if it owns more than 25% of the portfolio company’s voting securities or it has the power to exercise control over the management or policies of such portfolio company. As of December 31, 2022, the Company held investments in one portfolio company of which it is deemed to be an “affiliated person” and deemed to “control”. During the year ended December 31, 2022, the Company disposed of investments in one portfolio of which it was deemed to be an "affiliated person" and deemed to "control". The following table presents certain information with respect to investments in portfolio companies of which the Company was deemed to be an affiliated person and deemed to control for the year ended December 31, 2022: Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3) Senior Secured Loans—First LienAmtek Global Technology Pte Ltd $34.8 $— $(24.3)$(4.3)$(2.3)$3.9 $— $— $— $— ATX Networks Corp46.8 0.4 (6.6)— — 40.6 3.2 1.0 — — HM Dunn Co Inc33.6 2.0 — — — 35.6 0.8 2.1 — — HM Dunn Co Inc2.0 — (2.0)— — — — — — — NCI Inc— 79.1 (21.9)(28.5)(0.6)28.1 6.5 0.4 — —  One Call Care Management Inc(5) 5.0 — (4.7)— (0.3)— — — — —  Production Resource Group LLC 133.3 19.3 (0.3)— 0.2 152.5 12.9 8.0 — —  Production Resource Group LLC 0.1 — — — — 0.1 — — — —  Production Resource Group LLC 64.4 3.7 (0.6)— 0.6 68.1 6.4 2.0 — —  Production Resource Group LLC 20.2 11.1 (0.3)— 0.3 31.3 — 0.9 — —  Warren Resources Inc18.7 0.6 (0.2)— (0.5)18.6 2.5 0.2 — — Senior Secured Loans—Second LienAmtek Global Technology Pte Ltd— — — (39.1)39.1 — — — — — Other Senior Secured DebtJW Aluminum Co81.0 0.2 — — (3.1)78.1 8.0 — — —  One Call Care Management Inc(5) 23.5 — (21.6)— (1.9)— — — — — Subordinated DebtATX Networks Corp7.1 3.6 — — 11.2 21.9 1.6 1.5 — — Hilding Anders46.6 — — — (46.6)— — — — — Hilding Anders— — — — — — 0.3 — — — Hilding Anders— — — — — — 0.1 — — — Asset Based Finance801 5th Ave, Seattle, Structure Mezzanine57.2 1.9 — — (0.2)58.9 4.7 1.7 — — 801 5th Ave, Seattle, Private Equity23.1 — (0.1)— (16.7)6.3 — — — — Avenue One PropCo, Private Equity— 46.3 (16.2)— 0.9 31.0 — — — — Avida Holding AB, Common Stock52.3 — — — (9.7)42.6 — — — — Kilter Finance, Preferred Stock36.1 87.3 (24.0)0.7 (0.6)99.5 7.4 1.9 — — Kilter Finance, Private Equity0.5 — — — — 0.5 — — — — KKR Altitude II Offshore Aggregator LP, Partnership Interest— 44.4 — — 44.4 — — — — KKR Rocket Loans Aggregator LLC, Partnership Interest1.4 2.9 — — — 4.3 — — — 1.3 My Community Homes SFR PropCo 2, Private Equity33.0 157.0 (105.7)— (5.3)79.0 — — — — Prime St LLC, Private Equity9.1 — (0.3)— (8.8)— — — — — Prime St LLC, Structured Mezzanine52.4 3.3 — — (12.2)43.5 3.2 3.1 — —  Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3) Toorak Capital Funding LLC, Membership Interest1.7 — (1.7)(0.2)0.2 — — — — 0.3 Roemanu LLC (FKA Toorak Capital Partners LLC), Private Equity199.3 78.3 — — (16.4)261.2 — — — 18.8 Roemanu LLC (FKA Toorak Capital Partners LLC), Structured Mezzanine22.0 32.0 (54.0)— — — — 0.6 — — Credit Opportunities Partners JV, LLCCredit Opportunities Partners JV, LLC1,396.2 175.0 — — (142.9)1,428.3 — — — 208.3 Equity/OtherAmtek Global Technology Pte Ltd, Common Stock — — — — — — — — — — Amtek Global Technology Pte Ltd, Ordinary Shares — — — — — — — — — — Amtek Global Technology Pte Ltd, Private Equity— — — — — — — — — — ATX Networks Corp, Common Stock— 1.7 — — 27.5 29.2 — — — — ATX Networks Corp, Class B-1 Common Stock— 5.0 — — — 5.0 — — — — ATX Networks Corp, Class B-2 Common Stock— 4.0 — — 5.0 9.0 — — — — Hilding Anders, Class A Common Stock— — — — — — — — — — Hilding Anders, Class B Common Stock— — — — — — — — — — Hilding Anders, Class C Common Stock— — — — — — — — — — Hilding Anders, Equity Options— — — — — — — — — — HM Dunn Co Inc, Preferred Stock, Series A7.1 — — — 9.8 16.9 — — — — HM Dunn Co Inc, Preferred Stock, Series B— — — — — — — — — — JW Aluminum Co, Common Stock— — — — 2.4 2.4 — — — — JW Aluminum Co, Preferred Stock122.6 22.2 — — (32.3)112.5 0.6 19.7 — —  NCI Inc, Class A-1 Common Stock(4) — — — — — — — — — —  NCI Inc, Class B-1 Common Stock(4) — — — — — — — — — —  NCI Inc, Class C Common Stock(4) — 20.2 — — — 20.2 — — — —  NCI Inc, Class I-1 Common Stock(4) — — — — — — — — — —  One Call Care Management Inc, Common Stock(5) 2.4 — (2.1)— (0.3)— — — — —  One Call Care Management Inc, Preferred Stock A(5) 26.1 — (22.8)— (3.3)— — — — —  One Call Care Management Inc, Preferred Stock B(5) 9.2 — (8.0)— (1.2)— — — — — PRG III LLC, Preferred Stock, Series A PIK17.4 — — — 88.3 105.7 — — — — PRG III LLC, Preferred Stock, Series B PIK— — — — — — — — — — Sound United LLC, Common Stock 77.5 — (17.3)— (60.2)— — — — —  Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3) Warren Resources Inc, Common Stock 20.4 — — — 8.8 29.2 — — — — Total$2,684.1 $801.5 $(334.7)$(71.4)$(171.1)$2,908.4 $58.2 $43.1 $— $228.7  ______________ (1)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category. (2)Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category. (3)Interest, PIK, fee and dividend and other income presented for the full year ended December 31, 2022. (4)The Company held this investment as of December 31, 2021 but it was not deemed to be an “control” of the portfolio company as of December 31, 2021. Transfers in or out have been presented at amortized cost. (5)The Company held this investment as of December 31, 2022 but it was not deemed to be an “control” of the portfolio company as of December 31, 2022. Transfers in or out have been presented at amortized cost.

[40] Security or portion thereof held within Juniata River LLC and is pledged as collateral supporting the amounts outstanding under a term loan credit facility with JPMorgan Chase Bank, N.A. (see Note 9).

[41] Security or portion thereof held within Juniata River LLC and is pledged as collateral supporting the amounts outstanding under a term loan credit facility with JPMorgan Chase Bank, N.A. (see Note 9).

[42] Position or portion thereof unsettled as of unsettled as of December 31, 2022.

[43] Security is classified as Level 1 or 2 in the Company's fair value hierarchy (see Note 8).

[44] Security is classified as Level 1 or 2 in the Company's fair value hierarchy (see Note 8).

[45] Security or portion thereof held within Meadowbrook Run LLC and is pledged as collateral supporting the amounts outstanding under a revolving credit facility with Morgan Stanley Senior Funding, Inc. (see Note 9).

[46] Security or portion thereof was held within FSK CLO as of December 31, 2021.

[47] Security or portion thereof was held within FSK CLO as of December 31, 2022.

[48] Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category.

[49] Under the Investment Company Act of 1940, as amended, the Company generally is deemed to be an “affiliated person” of a portfolio company if it owns 5% or more of the portfolio company’s voting securities and generally is deemed to “control” a portfolio company if it owns more than 25% of the portfolio company’s voting securities or it has the power to exercise control over the management or policies of such portfolio company. As of December 31, 2022, the Company held investments in portfolio companies of which it is deemed to be an “affiliated person” but is not deemed to “control”. The following table presents certain information with respect to investments in portfolio companies of which the Company was deemed to be an affiliated person for the year ended December 31, 2022: Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3) Senior Secured Loans—First LienAffordable Care Inc $— $— $— $— $— $— $— $— $— $— Affordable Care Inc 59.9 16.2 (21.4)— (1.6)53.1 4.1 — 0.2 — athenahealth Inc— 6.8 (6.1)(0.7)— — 0.2 — 0.2 — Belk Inc 49.2 4.7 (2.2)(0.2)(42.7)8.8 3.7 2.7 — — Belk Inc 21.9 0.1 — — (2.6)19.4 2.2 — — —  Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3) Borden (New Dairy Opco) 9.0 — (9.0)0.6 (0.6)— 0.1 — 0.3 — Borden (New Dairy Opco) 42.0 0.1 (42.0)1.7 (1.8)— 0.9 — 1.3 — Borden Dairy Co— — — (25.4)25.4 — — — — — Constellis Holdings LLC 15.0 0.4 — — (0.4)15.0 1.8 — — — Fairway Group Holdings Corp 0.7 — — (1.0)0.3 — — — — — Fairway Group Holdings Corp — — — — — — — — — — Micronics Filtration Holdings Inc 51.0 5.7 (51.7)— (5.0)— 0.2 0.3 — — Petroplex Acidizing Inc9.7 — (16.7)(5.3)12.3 — — — — —  Sorenson Communications LLC(4) 60.1 — (56.9)— (3.2)— — — — —  Sungard Availability Services Capital Inc(4) 6.0 0.1 — — (5.6)0.5 — — — —  Sungard Availability Services Capital Inc(4) — 4.5 (2.5)— — 2.0 0.3 0.2 0.3 — ThermaSys Corp 3.5 — — — 5.1 8.6 — — — — Senior Secured Loans—Second Lien Belk Inc 6.7 — — — (3.4)3.3 — — — —  Constellis Holdings LLC 12.0 0.3 — — 1.2 13.5 2.0 — — —  Fairway Group Holdings Corp — — — — — — — — — —   Sungard Availability Services Capital Inc(4) 8.3 — (0.2)— (8.1)— — — — — Subordinated Debtathenahealth Inc— 5.5 (4.7)(0.8)— — 0.1 — — — Asset Based Finance Home Partners JV, Structured Mezzanine90.4 7.9 (98.1)4.6 (4.8)— 0.3 7.5 — —  Home Partners JV, Private Equity 9.4 — (11.8)6.4 (4.0)— — — — 0.7  Home Partners JV, Common Stock 80.6 — (101.0)53.4 (33.0)— — — — 4.3  Home Partners JV 2, Structured Mezzanine3.5 6.7 — 0.1 (0.1)10.2 — 0.7 — —  Home Partners JV 2, Private Equity 0.1 0.1 — — — 0.2 — — — —  Home Partners JV 2, Private Equity 1.6 2.9 — — 0.5 5.0 — — — —  Jet Edge International LLC, Preferred Stock 16.8 — (30.1)9.2 4.1 — 0.7 — — —  Jet Edge International LLC, Warrant 4.5 — (13.5)13.5 (4.5)— — — — 1.5  Jet Edge International LLC, Term Loan 75.6 — (75.9)— 0.3 — 11.6 2.3 3.3 —  Orchard Marine Limited, Class B Common Stock — — — (3.1)3.1 — — — — —  Orchard Marine Limited, Series A Preferred Stock 64.6 0.1 (66.0)3.9 (2.6)— — — — — Equity/OtherAffordable Care Inc, Common Stock 52.1 — — — (2.2)49.9 — 5.5 — — athenahealth Inc, Preferred Stock— 311.3 (47.5)(1.6)(31.0)231.2 — 29.0— — Belk Inc, Common Stock — — — — — — — — — —  Portfolio CompanyFair Value at December 31, 2021 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2022 Interest Income(3) PIK Income(3) Fee Income(3) Dividend and Other Income(3)  Borden (New Dairy Opco), Common Stock 7.7 — — — (2.9)4.8 — — — —  Constellis Holdings LLC, Private Equity 0.2 — — — 6.1 6.3 — — — —  Fairway Group Holdings Corp, Common Stock — — — — — — — — — —  Fronton BV, Common Stock 1.4 — — — (0.4)1.0 — — — —  Micronics Filtration Holdings Inc, Common Stock — — (0.1)(0.5)0.6 — — — — —  Micronics Filtration Holdings Inc, Preferred Stock, Series A 0.1 — — (0.6)0.5 — — — — —  Micronics Filtration Holdings Inc, Preferred Stock, Series B 0.4 — (0.4)0.2 (0.2)— — — — —  Micronics Filtration Holdings Inc, Preferred Stock, Series B PIK 11.9 — (11.9)11.9 (11.9)— — — — —  Micronics Filtration Holdings Inc, Preferred Stock, Series C PIK 6.2 — (6.2)6.2 (6.2)— — — — —  Petroplex Acidizing Inc, Preferred Stock A — — — (4.9)4.9 — — — — —  Petroplex Acidizing Inc, Warrant — — — — — — — — — —  Proserv Acquisition LLC, Class A Common Units 0.1 0.1 — — 0.9 1.1 — — — —  Proserv Acquisition LLC, Class A Preferred Units 9.3 — — — 0.2 9.5 — — — —   Sorenson Communications LLC, Common Stock(4) 67.5 — (65.4)22.9 (25.0)— — — — —   Sungard Availbaility Services Capital Inc, Common Stock(4) — — — (6.9)6.9 — — — — —  ThermaSys Corp, Common Stock — — — — — — — — — —  ThermaSys Corp, Preferred Stock — — — — — — — — — — Total$859.0 $373.5 $(741.3)$83.6 $(131.4)$443.4 $28.2 $48.2 $5.6 $6.5  ______________ (1)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest, the amortization of unearned income, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company into this category from a different category. (2)Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, the exchange of one or more existing securities for one or more new securities and the movement of an existing portfolio company out of this category into a different category. (3)Interest, PIK, fee and dividend and other income presented for the full year ended December 31, 2022. (4)The Company held this investment as of December 31, 2021 but it was not deemed to be an “affiliated person” of the portfolio company as of December 31, 2021. Transfers in or out have been presented at amortized cost.

[50] Under the Investment Company Act of 1940, as amended, the Company generally is deemed to be an “affiliated person” of a portfolio company if it owns 5% or more of the portfolio company’s voting securities and generally is deemed to “control” a portfolio company if it owns more than 25% of the portfolio company’s voting securities or it has the power to exercise control over the management or policies of such portfolio company. As of December 31, 2021, the Company held investments in portfolio companies of which it is deemed to be an “affiliated person” but is not deemed to “control”. The following table presents certain information with respect to investments in portfolio companies of which the Company was deemed to be an affiliated person as of December 31, 2021: Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Senior Secured Loans—First Lien Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Affordable Care Inc$— $— $— $— $— $— $— $— $0.3 $— Affordable Care Inc— 115.5 (55.9)0.3 — 59.9 2.7 — 1.6 — Belk Inc— 42.6 (2.4)— 9.0 49.2 3.1 0.9 — — Belk Inc— 21.7 — — 0.2 21.9 1.6 — — — Borden (New Dairy Opco)7.6 10.6 (10.0)0.2 0.6 9.0 0.5 — — — Borden (New Dairy Opco)16.8 23.4 — — 1.8 42.0 2.7 — — — Borden Dairy Co— — — 1.3 (1.3)— — — — — Constellis Holdings LLC— 14.0 — — 1.0 15.0 0.9 — — — Fairway Group Holdings Corp— 1.1 (0.7)0.6 (0.3)0.7 0.8 — — — Fairway Group Holdings Corp— — — — — — — — — —   HM Dunn Co Inc(5) 0.3 — (0.6)— 0.3 — — — — —   HM Dunn Co Inc(5) 0.2 — (0.3)— 0.1 — — — — — Micronics Filtration Holdings Inc35.5 1.0 — — 14.5 51.0 — 1.0 — —   One Call Care Management Inc(5) 4.7 0.6 (4.9)— (0.4)— 0.2 — — — Petroplex Acidizing Inc4.5 — (0.2)— 5.4 9.7 — — — —   Sorenson Communications LLC(4) — 61.8 (5.1)0.2 3.2 60.1 2.8 — — —   Sungard Availability Services Capital Inc(4) — 5.7 — — 0.3 6.0 0.2 0.1 — — ThermaSys Corp3.9 0.4 — — (0.8)3.5 — 0.5 — — Senior Secured Loans—Second LienBelk Inc— 4.2 — — 2.5 6.7 — — — — Constellis Holdings LLC— 12.5 — — (0.5)12.0 0.6 0.4 — — Fairway Group Holdings Corp— — — — — — — — — — Sorenson Communications LLC— 22.0 (22.2)0.2 — — 0.4 0.9 — — Sungard Availability Services Capital Inc— 13.6 0.1 — (5.4)8.3 0.7 0.2 — — Other Senior Secured Debt JW Aluminum Co(5) 41.8 — (39.4)— (2.4)— — — — — Subordinated DebtHome Partners of America Inc— 3.5 (3.5)— — — 0.1 — — — Asset Based FinanceHome Partners JV, Structured Mezzanine38.5 83.4 (36.3)— 4.8 90.4 0.6 7.3 — — Home Partners JV, Private Equity— 5.4 — — 4.0 9.4 — — — — Home Partners JV, Private Equity— — — (0.6)0.6 — — — — — Home Partners JV, Common Stock21.5 45.9 (22.9)7.7 28.4 80.6 — — — — Home Partners JV 2, Structured Mezzanine— 3.4 — — 0.1 3.5 — 0.2 — — Home Partners JV 2, Private Equity— 0.1 — — — 0.1 — — — — Home Partners JV 2, Private Equity— 1.5 — — 0.1 1.6 — — — — Jet Edge International LLC, Preferred Stock— 20.9 — — (4.1)16.8 0.5 — — —  Portfolio CompanyFair Value at December 31, 2020 Gross Additions(1) Gross Reductions(2) Net Realized Gain (Loss)Net Change in Unrealized Appreciation (Depreciation)Fair Value at December 31, 2021 Interest Income(3) PIK Income(3) Fee Income(3) Dividend Income(3) Jet Edge International LLC, Warrant— — — — 4.5 4.5 — — — — Jet Edge International LLC, Term Loan— 78.0 (2.1)— (0.3)75.6 2.4 0.5 — — Orchard Marine Limited, Class B Common Stock— — — — — — — — — — Orchard Marine Limited, Series A Preferred Stock24.6 — — — 40.0 64.6 — — — — Equity/OtherAffordable Care Inc, Common Stock— 48.1 — — 4.0 52.1 — 2.3 — — ASG Technologies, Common Stock42.7 — (79.4)56.0 (19.3)— — — — — ASG Technologies, Warrants3.5 — (10.2)3.7 3.0 — — — — — Belk Inc, Common Stock— — — — — — — — — — Borden (New Dairy Opco), Common Stock3.2 5.2 — — (0.7)7.7 — — — — Charlotte Russe Inc, Common Stock— — — (12.5)12.5 — — — — — Constellis Holdings LLC, Private Equity— 10.3 — — (10.1)0.2 — — — — Fairway Group Holdings Corp, Common Stock— — — — — — — — — — Fronton BV, Common Stock1.2 — — — 0.2 1.4 — — — —   HM Dunn Co Inc, Preferred Stock, Series A(5) — — — — — — — — — —   HM Dunn Co Inc, Preferred Stock, Series B(5) — — — — — — — — — — Home Partners of America Inc, Common Stock130.5 — (214.3)130.7 (46.9)— — — — — Home Partners of America Inc, Warrant2.1 — (4.4)4.1 (1.8)— — — — —   JW Aluminum Co, Common Stock(5) — — — — — — — — — —   JW Aluminum Co, Preferred Stock(5) 93.7 — (107.3)— 13.6 — — 4.2 — — Micronics Filtration Holdings Inc, Common Stock— — — — — — — — — — Micronics Filtration Holdings Inc, Preferred Stock, Series A— — — — 0.1 0.1 — — — — Micronics Filtration Holdings Inc, Preferred Stock, Series B— — — — 0.4 0.4 — — — — Micronics Filtration Holdings Inc, Preferred Stock, Series B PIK— — — — 11.9 11.9 — — — — Micronics Filtration Holdings Inc, Preferred Stock, Series C PIK— — — — 6.2 6.2 — — — —   One Call Care Management Inc, Common Stock(5) 2.4 — (3.0)— 0.6 — — — — —   One Call Care Management Inc, Preferred Stock A(5) 25.5 — (32.3)— 6.8 — — — — —   One Call Care Management Inc, Preferred Stock B(5) 10.6 — (9.8)— (0.8)— — — — — Petroplex Acidizing Inc, Preferred Stock A— 0.4 — — (0.4)— — — — 0.4 Petroplex Acidizing Inc, Warrant— — — — — — — — — — Proserv Acquisition LLC, Class A Common Units9.0 — (0.1)— (8.8)0.1 — — — — Proserv Acquisition LLC, Class A Preferred Units9.5 — — — (0.2)9.3 — — — —   Sorenson Communications LLC, Common Stock(4) — 42.5 — — 25.0 67.5 — — — —  Sungard Availability Services Capital Inc, Common Stock(4) — 6.9 — — (6.9)— — — — — ThermaSys Corp, Common Stock— — — — — — — — — — ThermaSys Corp, Preferred Stock— — — — — — — — — — Total$533.8 $706.2 $(667.2)$191.9 $94.3 $859.0 $20.8 $18.5 $1.9 $0.4 

[51] Security or portion thereof was held within CCT Tokyo Funding LLC and was pledged as collateral supporting the amounts outstanding under the revolving credit facility with Sumitomo Mitsui Banking Corporation (see Note 9).

[52] Security or portion thereof held within Ambler Funding LLC and is pledged as collateral supporting the amounts outstanding under the revolving credit facility with Ally Bank (see Note 9).

[53] Security or portion thereof was held within CCT Dublin Funding Limited

[54] Security or portion thereof was held within CCT Dublin Funding Limited

[55] Security held within CCT Holdings II, LLC, a wholly-owned subsidiary of the Company.

[56] Security held within CCT Holdings II, LLC, a wholly-owned subsidiary of the Company.

[57] Security held within IC American Energy Investments, Inc., a wholly-owned subsidiary of the Company.

[58] Security held within IC American Energy Investments, Inc., a wholly-owned subsidiary of the Company.

[59] Security held within FSIC II Investments, Inc., a wholly-owned subsidiary of the Company.

[60] Security held within FSIC II Investments, Inc., a wholly-owned subsidiary of the Company.

[61] Security or portion thereof held within Race Street Funding LLC. Security is available as collateral supporting the amounts outstanding under the Senior Secured Revolving Credit Facility (see Note 9).

[62] Security or portion thereof held within Race Street Funding LLC. Security is available as collateral supporting the amounts outstanding under the Senior Secured Revolving Credit Facility (see Note 9).

[63] Security or portion thereof held within Cobbs Creek LLC and is pledged as collateral supporting the amounts outstanding under the senior secured revolving credit facility (see Note 9).

[64] Security held within FSIC Investments, Inc., a wholly-owned subsidiary of the Company.

[65] Security held within FSIC Investments, Inc., a wholly-owned subsidiary of the Company.

[66] The Company held this investment as of December 31, 2020 but it was not deemed to be an “control” of the portfolio company as of December 31, 2020. Transfers in or out have been presented at amortized cost.

[67] The Company held this investment as of December 31, 2021 but it was deemed to "control" the portfolio company as of December 31, 2021. Transfers in or out have been presented at amortized cost.

[68] The Company held this investment as of December 31, 2021 but it was not deemed to be an “control” of the portfolio company as of December 31, 2021. Transfers in or out have been presented at amortized cost.(5)The Company held this investment as of December 31, 2022 but it was not deemed to be an “control” of the portfolio company as of December 31, 2022. Transfers in or out have been presented at amortized cost.

[69] The Company held this investment as of December 31, 2022 but it was not deemed to be an “control” of the portfolio company as of December 31, 2022. Transfers in or out have been presented at amortized cost.

[70] The Company held this investment as of December 31, 2021 but it was not deemed to be an “affiliated person” of the portfolio company as of December 31, 2021. Transfers in or out have been presented at amortized cost.

[71] The Company held this investment as of December 31, 2020 but it was not deemed to be an “affiliated person” of the portfolio company as of December 31, 2020. Transfers in or out have been presented at amortized cost.