XML 24 R51.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Summary of Significant Accounting Policies - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2019
JPY (¥)
Dec. 31, 2019
USD ($)
Aug. 24, 2017
JPY (¥)
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Recorded expense associated with doubtful accounts $ 64.0 $ 49.0 $ 38.0      
Net aggregate financing receivables   263.0     $ 278.0  
Description of net investments hedged We have designated our Euro-denominated commercial paper and ¥13.8 billion senior unsecured term facility loan as net investment hedges of our investment in certain foreign operations.          
Gains (losses) related to net investment hedge $ 5.7 $ 9.4 $ (18.8)      
Yen variable interest rate term loan due 2022            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Line of credit facility, maximum borrowing capacity | ¥       ¥ 13,800,000,000.0   ¥ 13,800,000,000