XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.21.1

Postretirement and Other Benefits (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs | The components of net pension benefit costs for U.S. and French employees during the three months ended March 31, 2021 and 2020 were as follows ($ in millions):
| Three Months Ended March 31,
| U.S. Pension Benefits |  | French Pension Benefits |  |
| 2021 |  | 2020 |  | 2021 |  | 2020 |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | 0.3 |  |  | $ | 0.3 |  |  |  |  |
Interest cost | 0.7 |  |  | 0.9 |  |  | — |  |  | — |  |  |  |  |
Expected return on plan assets | (1.0) |  |  | (1.2) |  |  | — |  |  | — |  |  |  |  |
Amortizations and other | 0.9 |  |  | 0.8 |  |  | 0.3 |  |  | 0.3 |  |  |  |  |
Net periodic benefit cost | $ | 0.6 |  |  | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | 0.6 |  |  |  |  |

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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration