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Goodwill (Changes in Goodwill) (Details) $ in Thousands		9 Months Ended
	May 31, 2016 USD ($) funeral_homes	Sep. 30, 2016 USD ($) funeral_homes
Goodwill [Roll Forward]
Goodwill at beginning of period		$ 264,416
Goodwill at end of period		$ 267,788
Number of Funeral Homes Acquired in Acquisitions | funeral_homes	2	3
Houston, Texas and Madera, California [Member]
Goodwill [Roll Forward]
Increase in goodwill related to acquisitions		$ 3,372
Goodwill at end of period		3,372
Increase in goodwill related to acquisitions		$ 3,372
Houston [Member]
Goodwill [Roll Forward]
Goodwill at end of period	$ 800
Number of Funeral Homes Acquired in Acquisitions | funeral_homes	2

X

- Definition

The number of funeral homes in acquisitions.

+ References

No definition available.

+ Details

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Namespace Prefix:	csv_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Balance Type:	debit
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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=csv_HoustonTexasAndMaderaCaliforniaMember
Namespace Prefix:
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X

- Details

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