XML 39 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Intangible Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Carrying Amount of Goodwill Allocated by Domestic and Foreign Operations | The carrying amount of goodwill at September 30, 2017 and December 31, 2016 allocated by domestic and foreign operations is as follows (in millions):
At September 30, 2017 |  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
United States |  | $ | 2,285.5 |  |  | $ | 25.8 |  |  | $ | — |  |  | $ | 2,311.3 |
United Kingdom |  |  | 738.3 |  |  |  | 7.3 |  |  |  | — |  |  |  | 745.6 |
Canada |  |  | 345.9 |  |  |  | — |  |  |  | — |  |  |  | 345.9 |
Australia |  |  | 427.8 |  |  |  | — |  |  |  | — |  |  |  | 427.8 |
New Zealand |  |  | 216.8 |  |  |  | 9.9 |  |  |  | — |  |  |  | 226.7 |
Other foreign |  |  | 100.2 |  |  |  | — |  |  |  | 2.9 |  |  |  | 103.1 |
Total goodwill - net |  | $ | 4,114.5 |  |  | $ | 43.0 |  |  | $ | 2.9 |  |  | $ | 4,160.4 |
At December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 2,115.0 |  |  | $ | 23.5 |  |  | $ | — |  |  | $ | 2,138.5 |
United Kingdom |  |  | 662.2 |  |  |  | 4.3 |  |  |  | — |  |  |  | 666.5 |
Canada |  |  | 292.2 |  |  |  | — |  |  |  | — |  |  |  | 292.2 |
Australia |  |  | 382.7 |  |  |  | — |  |  |  | — |  |  |  | 382.7 |
New Zealand |  |  | 205.0 |  |  |  | 0.3 |  |  |  | — |  |  |  | 205.3 |
Other foreign |  |  | 79.8 |  |  |  | — |  |  |  | 2.8 |  |  |  | 82.6 |
Total goodwill - net |  | $ | 3,736.9 |  |  | $ | 28.1 |  |  | $ | 2.8 |  |  | $ | 3,767.8 |
Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill for the nine-month period ended September 30, 2017 are as follows (in millions):
|  | Brokerage |  |  | Risk Management |  |  | Corporate |  |  | Total |
Balance as of December 31, 2016 |  | $ | 3,736.9 |  |  | $ | 28.1 |  |  | $ | 2.8 |  |  | $ | 3,767.8 |
Goodwill acquired during the period |  |  | 214.0 |  |  |  | 14.1 |  |  |  | — |  |  |  | 228.1 |
Goodwill adjustments due to appraisals and other acquisition adjustments |  |  | 14.4 |  |  |  | — |  |  |  | — |  |  |  | 14.4 |
Foreign currency translation adjustments during the period |  |  | 149.2 |  |  |  | 0.8 |  |  |  | 0.1 |  |  |  | 150.1 |
Balance as of September 30, 2017 |  | $ | 4,114.5 |  |  | $ | 43.0 |  |  | $ | 2.9 |  |  | $ | 4,160.4 |
Major Classes of Amortizable Intangible Assets | Major classes of amortizable intangible assets at September 30, 2017 and December 31, 2016 consist of the following (in millions):
|  | September 30, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Expiration lists |  | $ | 3,025.8 |  |  | $ | 2,757.6 |
Accumulated amortization - expiration lists |  |  | (1,365.9 | ) |  |  | (1,143.0 | )
|  |  | 1,659.9 |  |  |  | 1,614.6 |
Non-compete agreements |  |  | 53.3 |  |  |  | 49.3 |
Accumulated amortization - non-compete agreements |  |  | (45.7 | ) |  |  | (42.1 | )
|  |  | 7.6 |  |  |  | 7.2 |
Trade names |  |  | 26.2 |  |  |  | 24.0 |
Accumulated amortization - trade names |  |  | (22.5 | ) |  |  | (18.5 | )
|  |  | 3.7 |  |  |  | 5.5 |
Net amortizable assets |  | $ | 1,671.2 |  |  | $ | 1,627.3 |
Estimated Aggregate Amortization Expense |
Estimated aggregate amortization expense for each of the next five years is as follows: |  |  |  |
2017 (remaining three months) |  | $ | 65.4 |
2018 |  |  | 253.8 |
2019 |  |  | 239.5 |
2020 |  |  | 222.8 |
2021 |  |  | 198.7 |
Total |  | $ | 980.2 |

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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration