Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Financial Assets And Liabilities Measured At Fair Value

The following table presents information about our financial instruments measured at fair value on a recurring basis as of June 30, 2020 and December 31, 2019 using the inputs and fair value hierarchy discussed in Note 2, "Summary of Significant Accounting Policies and Recent Accounting Pronouncements."

Financial Instruments Measured at Fair Value on a Recurring Basis

	June 30, 2020								December 31, 2019
(in millions)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Other Assets
Deferred compensation plan investments (1)	$	113.8	$	—	$	—	$	113.8	$	151.8	$	—	$	—	$	151.8

(1)

Approximately $37.1 million and $18.0 million of participant cash was withdrawn from our deferred compensation plan investments during the six months ended June 30, 2020 and the year ended December 31, 2019, respectively.

Fair Value Of Notes Payable

The following table presents the carrying and estimated fair values of our notes payable at June 30, 2020 and December 31, 2019, in accordance with the policies discussed in Note 2, "Summary of Significant Accounting Policies and Recent Accounting Pronouncements."

	June 30, 2020				December 31, 2019
(in millions)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Fixed rate notes payable	$	3,125.1	$	3,455.3	$	2,380.4	$	2,533.5
Floating rate notes payable (1)	99.8		99.0		143.7		143.8

(1)

Includes balances outstanding under our unsecured credit facility at December 31, 2019.