XML 18 R54.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Recently Issued Accounting Standards Recently Issued Accounting Standards (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2013
Accounting Changes and Error Corrections [Abstract] |
Period Guidance Effective | Dec. 15, 2013

X
- Definition Guidance effective beginning date + References No definition available. + Details
Name: | csv_PeriodGuidanceEffective
Namespace Prefix: | csv_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AccountingChangesAndErrorCorrectionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration