Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Summary of Significant Accounting Policies - Additional Information (Detail)			12 Months Ended
	Jun. 30, 2013	Jun. 30, 2010 Entity	Jun. 30, 2013 Customer List	Jun. 30, 2013 Trade Names	Jun. 30, 2013 Technology
Summary Of Significant Accounting Policies [Line Items]
Number of securitization trusts consolidated		14
Intangible assets amortization period			15 years	15 years	6 years
Recognized income tax positions, percentage of likely of realization	50.00%