Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 439.7	$ 440.1
Funds receivable and funds held on behalf of clients	345.6	966.3
Accounts receivable, net of allowance for credit losses of $27.8 and $21.7, respectively	804.0	778.6
Contract asset	34.7	42.3
Prepaid expenses and other current assets	122.3	193.8
Restricted cash and cash equivalents	2.5	3.3
Total current assets	1,748.8	2,424.4
Property, plant and equipment, net (Note 2)	323.6	343.9
Operating lease right-of-use assets	243.8	260.6
Investments (Note 3)	194.2	193.9
Unconsolidated affiliates (Note 4)	265.4	266.9
Contract asset	114.1	115.9
Goodwill (Note 6)	8,934.7	8,863.0
Intangible and other assets, net of accumulated amortization of $3,758.7 and $3,445.4, respectively	4,038.9	4,184.7
Total assets	15,863.5	16,653.3
Current liabilities:
Current portion of long-term debt (Note 7)	53.8	55.7
Client funds obligations	345.6	966.3
Accounts payable	45.7	49.5
Income taxes payable	37.8	34.3
Accrued employee compensation and benefits	198.7	235.8
Interest payable	27.5	28.4
Other accrued expenses	287.0	356.1
Deferred revenues	472.8	464.7
Total current liabilities	1,468.9	2,190.8
Long-term debt, net of current portion (Note 7)	6,863.2	7,023.9
Operating lease liabilities	221.2	237.0
Other long-term liabilities	239.8	225.8
Deferred income taxes	828.8	872.9
Total liabilities	9,621.9	10,550.4
Commitments and contingencies (Note 14)
Redeemable noncontrolling interest (Note 3)	4.3	2.1
Stockholders’ equity (Note 8):
Preferred stock, $0.01 par value per share, 5.0 million shares authorized; no shares issued	0.0	0.0
Additional paid-in capital	5,230.6	5,111.6
Accumulated other comprehensive loss	(441.9)	(550.1)
Retained earnings	2,895.6	2,740.1
Cost of common stock in treasury, 25.2 and 20.9 million shares, respectively	(1,506.7)	(1,260.1)
Total SS&C stockholders' equity	6,180.3	6,044.2
Noncontrolling interest (Note 9)	57.0	56.6
Total equity	6,237.3	6,100.8
Total liabilities, redeemable noncontrolling interest and equity	15,863.5	16,653.3
Class A Non-Voting Common Stock [Member]
Stockholders’ equity (Note 8):
Common stock	0.0	0.0
Common Stock Class Undefined [Member]
Stockholders’ equity (Note 8):
Common stock	$ 2.7	$ 2.7