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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2022
Fair Value Disclosures [Abstract] |
Fair Value Measurements | The following information is presented for assets and liabilities that are recorded on the consolidated balance sheets at fair value measured on a recurring basis. There were no transfers of assets and liabilities that are recorded at fair value between the three-level fair value hierarchy during the periods reported.
In millions | Level 1 (1) |  | Level 2 (2) |  | Level 3 (3) |  | Total
December 31, 2022 |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |
Deferred compensation plan investments (4) | $ | 1.1 |  |  | $ | — |  |  | $ | — |  |  | $ | 1.1 |
Total assets | $ | 1.1 |  |  | $ | — |  |  | $ | — |  |  | $ | 1.1 |
Liabilities: |  |  |  |  |  |  |
Deferred compensation arrangement (4) | $ | 12.5 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.5 |
Total liabilities | $ | 12.5 |  |  | $ | — |  |  | $ | — |  |  | $ | 12.5 |
In millions | Level 1 (1) |  | Level 2 (2) |  | Level 3 (3) |  | Total
December 31, 2021 |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |
Deferred compensation plan investments (4) | $ | 0.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.9 |
Total assets | $ | 0.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.9 |
Liabilities: |  |  |  |  |  |  |
Deferred compensation arrangement (4) | $ | 13.7 |  |  | $ | — |  |  | $ | — |  |  | $ | 13.7 |
Contingent consideration (5) | — |  |  | — |  |  | 0.8 |  |  | 0.8 |
Total liabilities | $ | 13.7 |  |  | $ | — |  |  | $ | 0.8 |  |  | $ | 14.5 |
__________ (1) Quoted prices in active markets for identical assets. (2) Quoted prices for similar assets and liabilities in active markets. (3) Significant unobservable inputs. (4) Consists of a deferred compensation arrangement through which we hold various investment securities recognized on our balance sheets. Both the asset and liability related to investment securities are recorded at fair value and are included within "Other assets" and "Other liabilities" on the consolidated balance sheets, respectively. In addition to the investment securities, we also had company-owned life insurance related to the deferred compensation arrangement recorded at cash surrender value in "Other assets" of $13.3 million and $14.0 million at December 31, 2022 and 2021, respectively. (5) Included within "Other liabilities" on the consolidated balance sheet.
Debt Securities, Held-to-maturity, Credit Quality Indicator | The following table shows the total amortized cost of our HTM debt securities by credit rating, excluding the allowance for credit losses and cash. The primary factor in our expected credit loss calculation is the composite bond rating. As the rating decreases, the risk present in holding the bond is inherently increased, leading to an increase in expected credit losses.
| HTM Debt Securities
In millions | AA+ |  | AA |  | AA- |  | A |  | A- |  | BBB+ |  | Total
December 31, 2022 | $ | 13.4 |  |  | — |  |  | 10.5 |  |  | 13.2 |  |  | 14.1 |  |  | 20.4 |  |  | $ | 71.6 |
December 31, 2021 | $ | 13.4 |  |  | — |  |  | 10.6 |  |  | 13.3 |  | 14.1 |  | 20.5 |  | $ | 71.9 |

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- Definition Tabular disclosure of credit quality indicator for investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 + Details
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- 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 https://asc.fasb.org/extlink&oid=126976982&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 https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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