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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Recorded at Fair Value

Financial Instruments Recorded at Fair Value (in millions):

			September 30, 2023																								December 31, 2022
			Level 1						Level 2						Level 3						Total						Level 1						Level 2						Level 3						Total
Assets:
Cash and cash equivalents			$	183.3					$	—					$	—					$	183.3					$	179.9					$	—					$	—					$	179.9
Deferred compensation asset (a)			3.0						—						—						3.0						2.4						—						—						2.4
Liabilities:
Deferred compensation obligation (a)			$	3.0					$	—					$	—					$	3.0					$	2.4					$	—					$	—					$	2.4

(a)    The deferred compensation obligation represents the balance of deferred compensation plus net investment earnings. The deferred compensation plan is funded through a rabbi trust. Trust funds are invested in mutual funds for which unit prices are quoted in active markets and are classified within Level 1 of the valuation hierarchy.

Fair Value Option, Disclosures

The carrying value and estimated fair value of long-term debt were as follows (in millions):

			September 30, 2023												December 31, 2022
			Carrying Value						Estimated Fair Value (a)						Carrying Value						Estimated Fair Value (a)
8.25% Notes			$	95.7		(b)			$	71.0					$	101.8		(b)			$	68.8

(a) Based on bid/ask quotes as of or near the balance sheet date, which are considered Level 2 inputs based on the frequency of trading.

(b)    The carrying value of the 8.25% Notes consists of the principal balance of $74.3 million and the sum of current and noncurrent interest payment obligations until maturity. Refer to Note 6, Debt.

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The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis.

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-Topic 820
-Name Accounting Standards Codification
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Tabular disclosure of information about asset and liability measured at fair value under fair value option.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

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-Topic 825
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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