XML 63 R54.htm IDEA: XBRL DOCUMENT v3.20.2
Accumulated other comprehensive (loss) (Tables)
 12 Months Ended
Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of changes in accumulated other comprehensive (loss), by component
The changes in accumulated other comprehensive (loss), by component, for the years ended December 31, 2019, 2018, and 2017 are as follows:
 
For the year ended December 31, 2019
(Millions)
Foreign currency
translation
adjustment

Total

Balance, beginning of year
$
(202.4
)
$
(202.4
)
Other comprehensive (loss)
(35.1
)
(35.1
)
Balance, end of year
$
(237.5
)
$
(237.5
)
 
For the year ended December 31, 2018
(Millions)
Foreign currency
translation
adjustment

Total

Balance, beginning of year
$
(140.5
)
$
(140.5
)
Other comprehensive (loss)
(61.9
)
(61.9
)
Balance, end of year
$
(202.4
)
$
(202.4
)
 
For the year ended December 31, 2017
(Millions)
Foreign currency
translation
adjustment

Total

Balance, beginning of year
$
(212.2
)
$
(212.2
)
Other comprehensive (loss)
71.7

71.7

Balance, end of year
$
(140.5
)
$
(140.5
)