Fair Value Measurements

6 Months Ended

Jun. 30, 2016

12. Fair Value Measurements

Recurring Fair Value Measurements. The following table presents information about our financial instruments measured at fair value on a recurring basis as of June 30, 2016 and December 31, 2015 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, 2016								December 31, 2015
(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
Assets
Deferred compensation plan investments (1)	$	75.2	$	—	$	—	$	75.2	$	53.6	$	—	$	—	$	53.6

(1)

Approximately $7.1 million and $8.4 million of participant cash was withdrawn from our deferred compensation plan investments during the six months ended June 30, 2016 and the year ended December 31, 2015, respectively. Approximately $25.0 million and $3.6 million of shares in the compensation plan were diversified into the deferred compensation plan investments during the six months ended June 30, 2016 and the year ended December 31, 2015, respectively.

Non-Recurring Fair Value Disclosures. There were no events during the three or six month periods ended June 30, 2016 or 2015 which required fair value adjustments of our non-financial assets and non-financial liabilities.

Financial Instrument Fair Value Disclosures. The following table presents the carrying and estimated fair values of our notes payable at June 30, 2016 and December 31, 2015, in accordance with the policies discussed in Note 2, "Summary of Significant Accounting Policies and Recent Accounting Pronouncements."



	June 30, 2016				December 31, 2015
(in millions)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Fixed rate notes payable	$	2,274.1	$	2,438.3	$	2,273.3	$	2,358.8
Floating rate notes payable (1)	206.7		199.8		451.4		441.3


(1)	Includes balances outstanding under our unsecured credit facility and unsecured short-term borrowings.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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