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Supplementary Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]  
Schedule of cash flow, supplemental disclosures
Net cash paid (received) during the period for interest, net of capitalized interest, and income taxes are presented below:
 
 
2019
 
2018
 
2017
Net cash paid (received) during the period for:
 
 
 
 
 
 
  Interest, net of capitalized interest
 
$
137.5

 
$
136.3

 
$
130.5

  Income taxes
 
(9.5
)
 
(5.5
)
 
0.1
Schedule of non-cash investing and financing activities Non-cash investing and financing activities for the years ended December 31, 2019, 2018 and 2017, are presented below:
 
 
2019
 
2018
 
2017
Capital investments
 
$
50.9

 
$
33.4

 
$
37.3

Issuance of restricted stock and restricted stock units
 
2.8

 
4.5

 
4.6