XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.20.2

Goodwill (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Goodwill | The following table summarizes the goodwill movements:
(in millions) |  | Gross Cost |  |  | Accumulated Impairment Losses |  |  | Net Book Amount |
Opening balance at January 1 |  | $ | 599.5 |  |  | $ | (236.5 | ) |  | $ | 363.0 |
Exchange effect |  |  | 0.3 |  |  |  | 0.0 |  |  |  | 0.3 |
Closing balance at June 30 |  | $ | 599.8 |  |  | $ | (236.5 | ) |  | $ | 363.3 |

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

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration