XML 55 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions (Narrative) (Details)
$ in Millions
1 Months Ended 6 Months Ended
Jul. 31, 2018
USD ($)
item
Dec. 31, 2017
item
Nov. 30, 2014
item
Jun. 30, 2018
USD ($)
item
Business Acquisition [Line Items]        
Number of towers acquired | item   941 1,641  
Other Acquisitions [Member]        
Business Acquisition [Line Items]        
Number of towers acquired | item       558
Property and equipment       $ 72.2
Intangible assets       204.4
Working capital adjustments       $ 15.0
Subsequent Event [Member]        
Business Acquisition [Line Items]        
Number of towers acquired | item 474      
Cash paid for acquisition $ 79.4