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DEFERRED REVENUE (Tables)
 12 Months Ended
Dec. 31, 2016
Deferred Revenue for Extended Transmission Coverage Activity

Deferred revenue for ETC activity (dollars in millions):

 

     Year ended
December 31,
2016		      Year ended
December 31,
2015		      Year ended
December 31,
2014		  

Beginning balance

    $ 79.3      $ 69.0      $ 63.6  

Increases

      36.5        31.9        26.2  

Revenue earned

      (23.2 )       (21.6 )       (20.8 ) 
  

 

 

     

 

 

     

 

 

  

Ending balance

    $ 92.6      $ 79.3      $ 69.0