COMMITMENTS AND CONTINGENCIES (Details)	Dec. 31, 2014 union employee
Commitments and Contingencies Disclosure [Abstract]
Number of employees	1,063dei_EntityNumberOfEmployees
Number of unions involved in collective bargaining	8
Number of employees covered by collective bargaining agreements	699

Collective Bargaining Agreement, Number of Employees Covered

No definition available.

Name:	cik0899647_CollectiveBargainingAgreementNumberofEmployeesCovered
Namespace Prefix:	cik0899647_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant