Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule Of Assets And Liabilites Measured At Fair Value

The following tables present information about our assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2020 and December 31, 2019, and indicate the fair value hierarchy of the valuation techniques we utilized to determine such fair value.

		Fair Value Measurement at September 30, 2020
Balance Sheet Classification	Type of Instrument	Total		Level 1		Level 2		Level 3
Cash equivalents	Money market funds	$	424.9	$	—	$	424.9	$	—
Marketable securities	Mutual funds	$	28.9	$	28.9	$	—	$	—
Other assets	Equity securities	$	100.4	$	75.4	$	25.0	$	—
Prepaid expenses and other current assets	Foreign exchange forward contracts	$	11.7	$	—	$	11.7	$	—
Other assets	Foreign exchange forward contracts	$	0.4	$	—	$	0.4	$	—
Other current liabilities	Foreign exchange forward contracts	$	24.8	$	—	$	24.8	$	—
Other liabilities	Foreign exchange forward contracts	$	0.3	$	—	$	0.3	$	—
Other current liabilities	Interest rate contracts	$	45.6	$	—	$	45.6	$	—
Other liabilities	Interest rate contracts	$	57.6	$	—	$	57.6	$	—
Contingent consideration	Acquisition-related contingent consideration	$	398.1	$	—	$	—	$	398.1

		Fair Value Measurement at December 31, 2019
Balance Sheet Classification	Type of Instrument	Total		Level 1		Level 2		Level 3
Cash equivalents	Money market funds	$	635.9	$	—	$	635.9	$	—
Cash equivalents	Commercial paper	$	227.9	$	—	$	227.9	$	—
Cash equivalents	Corporate bonds	$	20.6	$	—	$	20.6	$	—
Cash equivalents	Bank certificates of deposit	$	19.2	$	—	$	19.2	$	—
Cash equivalents	Other government-related obligations	$	60.4	$	—	$	60.4	$	—
Marketable securities	Mutual funds	$	23.1	$	23.1	$	—	$	—
Marketable securities	Commercial paper	$	19.0	$	—	$	19.0	$	—
Marketable securities	Corporate bonds	$	3.7	$	—	$	3.7	$	—
Marketable securities	Other government-related obligations	$	10.0	$	—	$	10.0	$	—
Marketable securities	Bank certificates of deposit	$	8.2	$	—	$	8.2	$	—
Other assets	Equity securities	$	79.0	$	51.2	$	27.8	$	—
Prepaid expenses and other current assets	Foreign exchange forward contracts	$	29.9	$	—	$	29.9	$	—
Other assets	Foreign exchange forward contracts	$	0.6	$	—	$	0.6	$	—
Other current liabilities	Foreign exchange forward contracts	$	26.6	$	—	$	26.6	$	—
Other liabilities	Foreign exchange forward contracts	$	1.1	$	—	$	1.1	$	—
Other current liabilities	Interest rate contracts	$	19.5	$	—	$	19.5	$	—
Other liabilities	Interest rate contracts	$	41.9	$	—	$	41.9	$	—
Contingent consideration	Acquisition-related contingent consideration	$	192.4	$	—	$	—	$	192.4
Other current liabilities	Other contingent payments	$	24.0	$	—	$	—	$	24.0

Schedule Of Acquisition-Related Contingent Consideration

The following table represents a roll-forward of our acquisition-related contingent consideration:

	Nine Months Ended September 30, 2020
Balance as of December 31, 2019	$	192.4
Amounts issued	160.7
Changes in fair value	45.0
Balance as of September 30, 2020	$	398.1