v3.26.1
Consolidated Statements of Changes in Net Assets (unaudited) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2026
Apr. 30, 2026
Mar. 31, 2026
Oct. 31, 2025
Jun. 30, 2025
Apr. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investment Company, Net Assets [Roll Forward]                      
Beginning balance (in shares)       266,008,083           266,008,083  
Beginning balance   $ 3,748,120   $ 3,982,567   $ 4,043,498   $ 3,748,120 $ 4,043,498 $ 3,982,567 $ 4,014,529
Issuance of common stock                     $ 37,434
Repurchases of common stock, net of commission costs (in shares) (251,100) (650,600) (1,327,000) (2,540,542) (11,200) (2,285,299) (77,777)     (5,974,194) (2,532,475)
Repurchases of common stock, net of commission costs $ (3,155) $ (8,411) $ (16,343) $ (34,792) $ (160) $ (31,918) $ (1,130) (14,366) (34,336) $ (78,074) $ (35,466)
Net increase (decrease) in net assets resulting from operations:                      
Net investment income after taxes               85,217 101,262 266,522 296,514
Net realized gain (loss) on investment transactions               (24,781) (24) (38,974) (38,920)
Net realized gain (loss) on extinguishment of debt                     (48)
Net change in unrealized appreciation (depreciation) on investment transactions               (3,425) (11,391) (152,087) 22,401
Benefit (Provision) for taxes on unrealized appreciation on investments               (2) 211 (2) 409
Distributions to stockholders:                      
Stock issued in connection with dividend reinvestment plan                     33,704
Distributions from distributable earnings               (85,894) (103,891) (275,083) (335,228)
Total increase (decrease) common stock, outstanding               $ (43,251) $ (48,169) $ (277,698) $ (19,200)
Ending balance (in shares) 260,033,889       266,376,416     260,033,889 266,376,416 260,033,889 266,376,416
Ending balance $ 3,704,869   $ 3,748,120   $ 3,995,329   $ 4,043,498 $ 3,704,869 $ 3,995,329 $ 3,704,869 $ 3,995,329
Common Stock                      
Investment Company, Net Assets [Roll Forward]                      
Beginning balance (in shares)   261,147,881   266,008,083   268,831,114   261,147,881 268,831,114 266,008,083 264,277,128
Beginning balance   $ 261   $ 266   $ 269   $ 261 $ 269 $ 266 $ 264
Issuance of common stock (in shares)                     2,408,940
Issuance of common stock                     $ 3
Repurchases of common stock, net of commission costs (in shares)               (1,113,992) (2,454,698) (5,974,194) (2,532,475)
Repurchases of common stock, net of commission costs               $ (1) $ (3) $ (6) $ (3)
Distributions to stockholders:                      
Stock issued in connection with dividend reinvestment plan (in shares)                     2,222,823
Stock issued in connection with dividend reinvestment plan                     $ 2
Total increase (decrease) common stock, outstanding (in shares)               (1,113,992) (2,454,698) (5,974,194) 2,099,288
Total increase (decrease) common stock, outstanding               $ (1) $ (3) $ (6) $ 2
Ending balance (in shares) 260,033,889   261,147,881   266,376,416   268,831,114 260,033,889 266,376,416 260,033,889 266,376,416
Ending balance $ 260   $ 261   $ 266   $ 269 $ 260 $ 266 $ 260 $ 266
Paid in Capital in Excess of Par                      
Investment Company, Net Assets [Roll Forward]                      
Beginning balance   3,967,414   4,031,117   4,237,261   3,967,414 4,237,261 4,031,117 4,167,258
Issuance of common stock                     37,431
Repurchases of common stock, net of commission costs               (14,365) (34,333) (78,068) (35,463)
Distributions to stockholders:                      
Stock issued in connection with dividend reinvestment plan                     33,702
Total increase (decrease) common stock, outstanding               (14,365) (34,333) (78,068) 35,670
Ending balance 3,953,049   3,967,414   4,202,928   4,237,261 3,953,049 4,202,928 3,953,049 4,202,928
Distributable Earnings (Losses)                      
Investment Company, Net Assets [Roll Forward]                      
Beginning balance   $ (219,555)   $ (48,816)   $ (194,032)   (219,555) (194,032) (48,816) (152,993)
Net increase (decrease) in net assets resulting from operations:                      
Net investment income after taxes               85,217 101,262 266,522 296,514
Net realized gain (loss) on investment transactions               (24,781) (24) (38,974) (38,920)
Net realized gain (loss) on extinguishment of debt                     (48)
Net change in unrealized appreciation (depreciation) on investment transactions               (3,425) (11,391) (152,087) 22,401
Benefit (Provision) for taxes on unrealized appreciation on investments               (2) 211 (2) 409
Distributions to stockholders:                      
Distributions from distributable earnings               (85,894) (103,891) (275,083) (335,228)
Total increase (decrease) common stock, outstanding               (28,885) (13,833) (199,624) (54,872)
Ending balance $ (248,440)   $ (219,555)   $ (207,865)   $ (194,032) $ (248,440) $ (207,865) $ (248,440) $ (207,865)