Intangible Assets (Details Textual) (Mirth [Member])	0 Months Ended
Sep. 09, 2013
Mirth [Member]
Finite Lived Intangible Assets [Line Items]
Percentage of acquired intangible assets that are expected to be deductible for income tax purposes	95.00%

Business Combination, Deferred Tax Assets, As A Percent Of Eligible Assets Acquired

No definition available.

Name:	qsii_BusinessCombinationDeferredTaxAssetsAsAPercentOfEligibleAssetsAcquired
Namespace Prefix:	qsii_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration