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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2024
Fair Value Measurements  
Fair values of financial and non-financial assets and liabilities

Fair Value Measurements

Quoted Prices in

Significant

Significant

Active Markets

Observable

Unobservable

for Identical

Inputs

Inputs

Total

Assets (Level 1)

(Level 2)

(Level 3)

March 31, 2024:

Short-term investments

$

106.4

$

$

106.4

$

Long-term investments

0.4

0.4

Forward contracts

(0.2)

(0.2)

Redeemable noncontrolling interests

(30.9)

(30.9)

Total

$

75.7

$

$

106.6

$

(30.9)

December 31, 2023:

Short-term investments

$

185.2

$

$

185.2

$

Long-term investments

0.4

0.4

Forward contracts

(0.5)

(0.5)

Redeemable noncontrolling interests

(30.7)

(30.7)

Total

$

154.4

$

$

185.1

$

(30.7)