XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.23.2

Employee Benefit Plans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2023
Retirement Benefits [Abstract] |
Net Periodic Benefit Costs | Net periodic benefit costs related to the Company’s unfunded supplemental benefit pension plans are summarized as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
(in millions) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Expense: |  |  |  |  |  |  |  |  |  |  |  |
Interest costs |  | $ | 2.6 |  |  | $ | 1.5 |  |  | $ | 5.1 |  |  | $ | 3.0 |
Amortization of net actuarial loss |  |  | 0.6 |  |  |  | 1.4 |  |  |  | 1.1 |  |  |  | 2.9 |
Amortization of prior service cost |  |  | — |  |  |  | 0.1 |  |  |  | — |  |  |  | 0.2 |
|  | $ | 3.2 |  |  | $ | 3.0 |  |  | $ | 6.2 |  |  | $ | 6.1 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration