BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended
	May 30, 2012	Sep. 30, 2011
Significant Accounting Policies [Line Items]
Purchased credit cards portfolio	$ 406
Goodwill impairment test "more-likely-than-not threshold" likelihood percentage		More than 50%