Selected Quarterly Financial Data (Unaudited) - Summary of Unaudited Quarterly Results (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2013
Quarterly Financial Data [Abstract]
Unrecognized tax benefits	$ 7.3
Tax benefit	2.9
Research and development credits and other discrete items , tax benefits	$ 5.6

Income tax benefit due to research and development tax development and others.

No definition available.

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Namespace Prefix:	ssnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration