XML 37 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1

Note 1 - Description of Business and Basis of Presentation (Details Textual) $ in Millions		3 Months Ended
	May 01, 2017 USD ($)	Mar. 31, 2017 USD ($)
Number of States in which Entity Operates		19
Number of Reportable Segments		1
Reduction in Expense Due to Change in Capitalized Labor Accounting Estimate [Member]
Change in Accounting Estimate, Impact		$ 5.9
Subsequent Event [Member] | New Wave [Member]
Payments to Acquire Businesses, Gross	$ 735.0
Data [Member]
Number of Customers		523,327
Video [Member]
Number of Customers		307,187
Voice [Member]
Number of Customers		113,368

X

- Definition

The impact of a change in an accounting estimate to the reporting entity's financial statements.

+ References

No definition available.

+ Details

Name:	cabo_ChangeInAccountingEstimateImpact
Namespace Prefix:	cabo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the number of customers.

+ References

No definition available.

+ Details

Name:	cabo_NumberOfCustomers
Namespace Prefix:	cabo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ChangeInAccountingEstimateByTypeAxis=cabo_ReductionInExpenseDueToChangeInCapitalizedLaborAccountingEstimateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cabo_NewWaveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=cabo_DataMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=cabo_VideoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=cabo_VoiceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: