XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.23.1

Employee and Agent Benefits (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Employee and Agent Benefits |
Components of Net Periodic Benefit Cost (Income) (Table) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Other postretirement
​ | ​ | Pension benefits | ​ | benefits
​ | ​ | For the three months ended | ​ | For the three months ended
​ | ​ | March 31, | ​ | March 31,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
​ | ​ | (in millions)
Service cost | ​ | $ | 14.0 | ​ | $ | 20.2 | ​ | $ | — | ​ | $ | —
Interest cost | ​ | ​ | 39.7 | ​ |  | 28.1 | ​ |  | 0.8 | ​ |  | 0.6
Expected return on plan assets | ​ | ​ | (40.7) | ​ |  | (44.7) | ​ |  | (1.1) | ​ |  | (1.2)
Amortization of prior service benefit | ​ | ​ | (4.2) | ​ |  | (4.2) | ​ |  | (0.3) | ​ |  | (0.3)
Recognized net actuarial (gain) loss | ​ | ​ | 9.8 | ​ |  | 13.8 | ​ |  | (0.2) | ​ |  | (0.3)
Net periodic benefit cost (income) | ​ | $ | 18.6 | ​ | $ | 13.2 | ​ | $ | (0.8) | ​ | $ | (1.2)
​

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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration