Marketable Securities and Fair Value Measurements

6 Months Ended

Jun. 30, 2022

Marketable Securities and Fair Value Measurements

The Company’s marketable securities consist of corporate bonds and government securities which are adjusted to fair value at each balance sheet date based on quoted prices, which are considered Level 2 inputs.

The following is a summary of the Company’s available-for-sale marketable securities measured at fair value on a recurring basis.


	June 30, 2022
(dollars in millions)	Valuation Hierarchy	Effective Maturity	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Corporate bonds	Level 2	2022 - 2023	$	824.5	$	—	$	(8.0)	$	816.5
Corporate bonds	Level 2	2023 - 2025	363.3		—		(13.0)		350.3
Government securities	Level 2	2022 - 2023	79.9		—		(0.8)		79.1
Government securities	Level 2	2023 - 2024	4.3		—		(0.2)		4.1
Total			$	1,272.0	$	—	$	(22.0)	$	1,250.0


	December 31, 2021
(dollars in millions)	Valuation Hierarchy	Effective Maturity	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Corporate bonds	Level 2	2022	$	784.0	$	—	$	(0.7)	$	783.3
Corporate bonds	Level 2	2023 - 2024	582.5		—		(3.8)		578.7
Government securities	Level 2	2022	32.4		—		(0.1)		32.3
Total			$	1,398.9	$	—	$	(4.6)	$	1,394.3

The carrying values of accounts receivable, accounts payable and accrued liabilities approximate their fair values due to the short-term nature of these assets and liabilities.

- 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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