XML 66 R47.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Business Segment Information - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) market station | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) market station | Jun. 30, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ 150,080 | $ 159,736 | $ 273,191 | $ 312,038
Accounting Standards Update 2017-06 | Effect of Accounting Change | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ 1,900 | 2,600 | $ 3,300 | 4,000
Media |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Number of television stations | station | 46 |  | 46 |
Number of markets In which entity operates | market | 38 |  | 38 |
Media | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ 164,576 | $ 179,238 | $ 303,291 | $ 348,397

X
- Definition Number of Television Stations + References No definition available. + Details
Name: | tgna_NumberOfTelevisionStations
Namespace Prefix: | tgna_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Markets In Which Entity Operates + References No definition available. + Details
Name: | tgna_NumberofMarketsInWhichEntityOperates
Namespace Prefix: | tgna_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=tgna_AccountingStandardsUpdate201706Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NewAccountingPronouncementEarlyAdoptionAxis=us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=tgna_MediaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |