Schedule of Ownership of Subsidiaries and VIE's (Details)	9 Months Ended
Mar. 31, 2016
Summary Of Significant Accounting Policies Schedule Of Ownership Of Subsidiaries And Vie's 1	100.00%
Summary Of Significant Accounting Policies Schedule Of Ownership Of Subsidiaries And Vie's 2	100.00%

Summary Of Significant Accounting Policies Schedule Of Ownership Of Subsidiaries And Vie's 2

No definition available.

Name:	cadc_ScheduleOfOwnershipOfSubsidiariesAndVieapossZeroThreeTwoZeroFiveThreeSevenZeroThreebtvNNkThreeXsSixLT
Namespace Prefix:	cadc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration