XML 72 R41.htm IDEA: XBRL DOCUMENT v3.6.0.2
Summary of Significant Accounting Policies - Revenues (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]      
Franchise fees $ 23,300,000 $ 24,200,000 $ 25,400,000
Current portion of deferred revenue 38,700,000 38,400,000  
Long-term portion of deferred revenue $ 2,400,000 $ 0