XML 86 R68.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes Schedule of Unrecognized Tax Benefits Activity (Tables)
 12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Unrecognized Tax Benefits Activity [Table Text Block]
The table below summarizes the activity related to our unrecognized tax benefits.
 
Years ended December 31,
 
2018
 
2017
 
2016
Balance at beginning of period
$
271.9

 
$
246.7

 
$
226.9

Increases as a result of tax positions taken during a prior year
65.9

 
6.3

 
65.0

Decreases as a result of tax positions taken during a prior year
(10.8
)
 
(8.1
)
 
(47.5
)
Settlements with taxing authorities
(6.5
)
 
(0.8
)
 
(4.6
)
Lapse of statutes of limitation
(1.7
)
 
(3.3
)
 
(11.8
)
Increases as a result of tax positions taken during the current year
16.6

 
31.1

 
18.7

Balance at end of period
$
335.4

 
$
271.9

 
$
246.7