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Network
401530 - Disclosure - Loss Contingencies (Details)
(http://www.cmworks.com/role/LossContingenciesDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001005229 (http://www.sec.gov/CIK)
Loss Contingency [Abstract]Period [Axis]
2012-04-01 - 2013-03-31
2011-04-01 - 2012-03-31
2010-04-01 - 2011-03-31
Loss Contingency [Abstract]
 
 
 
Loss Contingency Accrual, at Carrying Value Beginning of period
20,536,000  
20,576,000  
23,054,000  
Loss Contingency Accrual, Carrying Value, Provision
2,185,000  
4,151,000  
6,447,000  
Loss Contingency Accrual, Carrying Value, Payments
(5,602,000) 
(4,191,000) 
(8,925,000) 
Loss Contingency Accrual, at Carrying Value End of period
17,119,000  
 
20,536,000  
 
20,576,000