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Fair Value (Tables)
9 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Assets and liabilities measured at fair value on a recurring basis
The following tables present the fair value hierarchy for those financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2019 and December 31, 2018:
 
September 30, 2019
 
Total
Level 1
Level 2
Level 3
Assets:
 
 
 
 
Cash and cash equivalents
$
134.6

$
133.2

$
1.4

$

Cash and cash equivalents measured at net asset value
46.8







Restricted cash
0.5

0.5



Short-term investments
20.8


20.8


Short-term investments measured at net asset value
0.1

 




Foreign currency hedges
11.7


11.7


     Total Assets
$
214.5

$
133.7

$
33.9

$

Liabilities:
 
 
 
 
Foreign currency hedges
$
0.3

$

$
0.3

$

     Total Liabilities
$
0.3

$

$
0.3

$



 
December 31, 2018
 
Total
Level 1
Level 2
Level 3
Assets:
 
 
 
 
Cash and cash equivalents
$
105.9

$
104.4

$
1.5

$

Cash and cash equivalents measured at net asset value
26.6







Restricted cash
0.6

0.6



Short-term investments
21.8


21.8


Foreign currency hedges
4.6


4.6


     Total Assets
$
159.5

$
105.0

$
27.9

$

Liabilities:
 
 
 
 
Foreign currency hedges
$
0.7

$

$
0.7

$

     Total Liabilities
$
0.7

$

$
0.7

$