XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Intangible Assets (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Carrying Amount of Goodwill Allocated by Domestic and Foreign Operations | The carrying amount of goodwill at June 30, 2018 and December 31, 2017 allocated by domestic and foreign operations is as follows (in millions):
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
At June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 2,545.3 |  |  | $ | 25.1 |  |  | $ | — |  |  | $ | 2,570.4 |
United Kingdom |  |  | 732.1 |  |  |  | 7.1 |  |  |  | — |  |  |  | 739.2 |
Canada |  |  | 360.0 |  |  |  | — |  |  |  | — |  |  |  | 360.0 |
Australia |  |  | 400.7 |  |  |  | — |  |  |  | — |  |  |  | 400.7 |
New Zealand |  |  | 204.5 |  |  |  | 10.4 |  |  |  | — |  |  |  | 214.9 |
Other foreign |  |  | 115.9 |  |  |  | — |  |  |  | 2.8 |  |  |  | 118.7 |
Total goodwill - net |  | $ | 4,358.5 |  |  | $ | 42.6 |  |  | $ | 2.8 |  |  | $ | 4,403.9 |
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
At December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 2,280.9 |  |  | $ | 25.8 |  |  | $ | — |  |  | $ | 2,306.7 |
United Kingdom |  |  | 738.5 |  |  |  | 7.2 |  |  |  | — |  |  |  | 745.7 |
Canada |  |  | 374.0 |  |  |  | — |  |  |  | — |  |  |  | 374.0 |
Australia |  |  | 416.6 |  |  |  | — |  |  |  | — |  |  |  | 416.6 |
New Zealand |  |  | 209.3 |  |  |  | 9.6 |  |  |  | — |  |  |  | 218.9 |
Other foreign |  |  | 99.9 |  |  |  | — |  |  |  | 3.0 |  |  |  | 102.9 |
Total goodwill - net |  | $ | 4,119.2 |  |  | $ | 42.6 |  |  | $ | 3.0 |  |  | $ | 4,164.8 |
Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for the six-month period ended June 30, 2018 are as follows (in millions):
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
Balance as of December 31, 2017, as previously reported |  | $ | 4,152.3 |  |  | $ | 42.6 |  |  | $ | 3.0 |  |  | $ | 4,197.9 |
Adoption of ASC Topic 606 |  |  | (33.1 | ) |  |  | — |  |  |  | — |  |  |  | (33.1 | )
Balance at December 31, 2017, as restated |  |  | 4,119.2 |  |  |  | 42.6 |  |  |  | 3.0 |  |  |  | 4,164.8 |
Goodwill acquired during the period |  |  | 291.8 |  |  |  | 2.7 |  |  |  | — |  |  |  | 294.5 |
Goodwill adjustments due to appraisals and other acquisition adjustments |  |  | 2.5 |  |  |  | (2.3 | ) |  |  | — |  |  |  | 0.2 |
Foreign currency translation adjustments during the period |  |  | (55.0 | ) |  |  | (0.4 | ) |  |  | (0.2 | ) |  |  | (55.6 | )
Balance as of June 30, 2018 |  | $ | 4,358.5 |  |  | $ | 42.6 |  |  | $ | 2.8 |  |  | $ | 4,403.9 |
Major Classes of Amortizable Intangible Assets | Major classes of amortizable intangible assets at June 30, 2018 and December 31, 2017 consist of the following (in millions):
|  | June 30, 2018 |  |  | December 31, 2017 |
Expiration lists |  | $ | 3,233.4 |  |  | $ | 3,055.9 |
Accumulated amortization - expiration lists |  |  | (1,547.5 | ) |  |  | (1,422.1 | )
|  |  | 1,685.9 |  |  |  | 1,633.8 |
Non-compete agreements |  |  | 54.9 |  |  |  | 53.5 |
Accumulated amortization - non-compete agreements |  |  | (47.4 | ) |  |  | (46.1 | )
|  |  | 7.5 |  |  |  | 7.4 |
Trade names |  |  | 60.6 |  |  |  | 25.9 |
Accumulated amortization - trade names |  |  | (23.0 | ) |  |  | (22.5 | )
|  |  | 37.6 |  |  |  | 3.4 |
Net amortizable assets |  | $ | 1,731.0 |  |  | $ | 1,644.6 |
Estimated Aggregate Amortization Expense | Estimated aggregate amortization expense for each of the next five years and thereafter is as follows:
2018 (remaining six months) |  | $ | 137.7 |
2019 |  |  | 263.9 |
2020 |  |  | 247.3 |
2021 |  |  | 224.0 |
2022 |  |  | 200.7 |
Thereafter |  |  | 657.4 |
Total |  | $ | 1,731.0 |

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: | nonnum: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: | nonnum: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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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://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=108376223&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=108376223&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration