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Intangible Assets and Goodwill - Changes in Carrying Amount of Franchise Assets and Goodwill (Parenthetical) (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]
Net of accumulated impairment losses	$ 796,725

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- References

No definition available.

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- Definition

Amount of accumulated impairment loss for 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,h)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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