XML 58 R49.htm IDEA: XBRL DOCUMENT v2.4.1.9
Cost Basis Investment - Additional Information (Detail) (USD $)
6 Months Ended
Dec. 31, 2014
Schedule of Cost-method Investments [Line Items]  
Investment accounted under cost method $ 5,000,000us-gaap_CostMethodInvestments
Impairment on investment $ 0us-gaap_ImpairmentOfInvestments