XML 36 R29.htm IDEA: XBRL DOCUMENT
v3.24.2

Intangible Assets (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Carrying Amount of Goodwill Allocated by Domestic and Foreign Operations | The carrying amount of goodwill at June 30, 2024 and December 31, 2023 allocated by domestic and foreign operations is as follows (in millions):
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
At June 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 6,651.7 |  |  | $ | 74.8 |  |  | $ | — |  |  | $ | 6,726.5 |
United Kingdom |  |  | 2,503.1 |  |  |  | 18.4 |  |  |  | — |  |  |  | 2,521.5 |
Canada |  |  | 606.8 |  |  |  | — |  |  |  | — |  |  |  | 606.8 |
Australia |  |  | 522.6 |  |  |  | 234.5 |  |  |  | — |  |  |  | 757.1 |
New Zealand |  |  | 197.0 |  |  |  | 9.2 |  |  |  | — |  |  |  | 206.2 |
Other foreign |  |  | 1,078.5 |  |  |  | — |  |  |  | 18.9 |  |  |  | 1,097.4 |
Total goodwill |  | $ | 11,559.7 |  |  | $ | 336.9 |  |  | $ | 18.9 |  |  | $ | 11,915.5 |
At December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 6,304.5 |  |  | $ | 74.8 |  |  | $ | — |  |  | $ | 6,379.3 |
United Kingdom |  |  | 2,493.4 |  |  |  | 18.5 |  |  |  | — |  |  |  | 2,511.9 |
Canada |  |  | 623.7 |  |  |  | — |  |  |  | — |  |  |  | 623.7 |
Australia |  |  | 514.6 |  |  |  | 135.9 |  |  |  | — |  |  |  | 650.5 |
New Zealand |  |  | 204.2 |  |  |  | 9.6 |  |  |  | — |  |  |  | 213.8 |
Other foreign |  |  | 1,077.4 |  |  |  | — |  |  |  | 19.0 |  |  |  | 1,096.4 |
Total goodwill |  | $ | 11,217.8 |  |  | $ | 238.8 |  |  | $ | 19.0 |  |  | $ | 11,475.6 |
Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for the six-month period ended June 30, 2024 are as follows (in millions):
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
Balance as of December 31, 2023 |  | $ | 11,217.8 |  |  | $ | 238.8 |  |  | $ | 19.0 |  |  | $ | 11,475.6 |
Goodwill acquired during the period |  |  | 341.0 |  |  |  | — |  |  |  | — |  |  |  | 341.0 |
Goodwill true-ups due to appraisals and other acquisition adjustments (see Note 3) |  |  | 94.4 |  |  |  | 102.0 |  |  |  | — |  |  |  | 196.4 |
Goodwill written-off related to sales of business and impairment |  |  | (5.8 | ) |  |  | — |  |  |  | — |  |  |  | (5.8 | )
Foreign currency translation adjustments during the period |  |  | (87.7 | ) |  |  | (3.9 | ) |  |  | (0.1 | ) |  |  | (91.7 | )
Balance as of June 30, 2024 |  | $ | 11,559.7 |  |  | $ | 336.9 |  |  | $ | 18.9 |  |  | $ | 11,915.5 |
Major Classes of Amortizable Intangible Assets | Major classes of amortizable intangible assets at June 30, 2024 and December 31, 2023 consist of the following (in millions):
|  | June 30, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Expiration lists |  | $ | 8,341.8 |  |  | $ | 8,222.8 |
Accumulated amortization - expiration lists |  |  | (4,025.8 | ) |  |  | (3,733.2 | )
|  |  | 4,316.0 |  |  |  | 4,489.6 |
Non-compete agreements |  |  | 103.3 |  |  |  | 112.2 |
Accumulated amortization - non-compete agreements |  |  | (79.9 | ) |  |  | (74.9 | )
|  |  | 23.4 |  |  |  | 37.3 |
Trade names |  |  | 119.7 |  |  |  | 171.8 |
Accumulated amortization - trade names |  |  | (69.7 | ) |  |  | (65.4 | )
|  |  | 50.0 |  |  |  | 106.4 |
Net amortizable assets |  | $ | 4,389.4 |  |  | $ | 4,633.3 |
Estimated Aggregate Amortization Expense | Estimated aggregate amortization expense for each of the next five years and thereafter is as follows (in millions):
2024 (remaining six months) |  | $ | 310.1 |
2025 |  |  | 587.5 |
2026 |  |  | 544.3 |
2027 |  |  | 510.5 |
2028 |  |  | 470.1 |
Thereafter |  |  | 1,966.9 |
Total |  | $ | 4,389.4 |

X
- Definition Carrying Amount of Goodwill Allocated by Domestic and Foreign Operations + References No definition available. + Details
Name: | ajg_CarryingAmountOfGoodwillAllocatedByDomesticAndForeignOperationsTableTextBlock
Namespace Prefix: | ajg_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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 assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
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://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-2 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration