XML 43 R30.htm IDEA: XBRL DOCUMENT v3.21.2

Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis

The following tables summarize the Company’s financial assets and liabilities that are measured at fair value on a recurring basis:

									Fair Value Measurements
			December 31, 2020
									Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)
Financial Assets
Investments in marketable securities			$	74.9					$	25.7					$	49.2					$	—
Derivative financial instruments(1)			3.5						—						3.5						—
Financial Liabilities(2)
Affiliate equity purchase obligations			$	22.0					$	—					$	—					$	22.0
Derivative financial instruments			4.2						—						4.2						—

									Fair Value Measurements
			September 30, 2021
									Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)
Financial Assets
Investments in marketable securities			$	75.8					$	61.1					$	14.7					$	—
Derivative financial instruments(1)			1.0						—						1.0						—
Financial Liabilities(2)
Affiliate equity purchase obligations			$	47.7					$	—					$	—					$	47.7
Derivative financial instruments			2.5						—						2.5						—

__________________________

(1)Amounts are presented within Other assets on the Consolidated Balance Sheets.

(2)Amounts are presented within Other liabilities on the Consolidated Balance Sheets.

Schedule of Changes in Level 3 Assets and Liabilities for Affiliate equity repurchase obligation

The following table presents the changes in level 3 liabilities for Affiliate equity purchase obligations:

			For the Three Months Ended September 30,												For the Nine Months Ended September 30,
			2020						2021						2020						2021
Balance, beginning of period			$	73.3					$	47.9					$	19.8					$	22.0
Net realized and unrealized (gains) losses(1)			(0.2)						—						(4.1)						2.2
Purchases and issuances(2)			85.8						3.3						292.8						86.3
Settlements and reductions			(89.0)						(3.5)						(238.6)						(62.8)
Balance, end of period			$	69.9					$	47.7					$	69.9					$	47.7
Net change in unrealized (gains) losses relating to instruments still held at the reporting date			$	—					$	—					$	—					$	—

___________________________

(1)Accretion expense for these arrangements and obligations is recorded in Interest expense in the Consolidated Statements of Income.

(2)Includes transfers from Redeemable non-controlling interests.

Schedule of Quantitative Information used in Valuing Level 3 Liabilities

The following table presents certain quantitative information about the significant unobservable inputs used in valuing the Company’s level 3 fair value measurements:

			Quantitative Information About Level 3 Fair Value Measurements
															December 31, 2020																		September 30, 2021
			Valuation Techniques						Unobservable Input						Fair Value						Range						Weighted Average(1)						Fair Value						Range						Weighted Average(1)
Affiliate equity purchase obligations			Discounted cash flow						Growth rates(2)						$	22.0					(5)% - 8%						3		%				$	47.7					1% - 8%						5		%
									Discount rates												14% - 16%						15		%										15% - 17%						15		%

___________________________

(1)Calculated by comparing the relative fair value of an obligation to its respective total.

(2)Represents growth rates of asset- and performance-based fees.

Schedule of Other Financial Assets and Liabilities Not Carried at Fair Value

The following table summarizes the Company’s other financial liabilities not carried at fair value:

			December 31, 2020												September 30, 2021
			Carrying Value						Fair Value						Carrying Value						Fair Value						Fair Value Hierarchy
Senior notes			$	1,097.3					$	1,206.6					$	1,097.8					$	1,180.7					Level 2
Junior subordinated notes			565.7						623.1						765.8						804.3						Level 2
Junior convertible securities			318.4						427.6						301.4						457.7						Level 2

X

- Definition

Summary of Other Financial Liabilities Not Carried at Fair Value [Table Text Block]

+ References

No definition available.

+ Details

Name:	amg_SummaryofOtherFinancialLiabilitiesNotCarriedatFairValueTableTextBlock
Namespace Prefix:	amg_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258

+ Details

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration