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v2.4.1.9

Goodwill - Changes in Carrying Value of Goodwill by Operating Segment (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Goodwill [Roll Forward] |
Beginning balance | $ 2,460,611us-gaap_Goodwill
Goodwill of acquired businesses | 29,418us-gaap_GoodwillAcquiredDuringPeriod
Goodwill disposed of relating to sales of businesses | (2,238)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Ending balance | 2,487,791us-gaap_Goodwill
Retail |
Goodwill [Roll Forward] |
Beginning balance | 1,231,869us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_RetailMember
Goodwill of acquired businesses | 26,461us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bro_RetailMember
Goodwill disposed of relating to sales of businesses | 0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = bro_RetailMember
Ending balance | 1,258,330us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_RetailMember
National Programs |
Goodwill [Roll Forward] |
Beginning balance | 886,095us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_NationalProgramsMember
Goodwill of acquired businesses | (194)us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bro_NationalProgramsMember
Goodwill disposed of relating to sales of businesses | (2,238)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = bro_NationalProgramsMember
Ending balance | 883,663us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_NationalProgramsMember
Wholesale Brokerage |
Goodwill [Roll Forward] |
Beginning balance | 222,356us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_WholesaleBrokerageMember
Goodwill of acquired businesses | 3,151us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bro_WholesaleBrokerageMember
Goodwill disposed of relating to sales of businesses | 0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = bro_WholesaleBrokerageMember
Ending balance | 225,507us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_WholesaleBrokerageMember
Services |
Goodwill [Roll Forward] |
Beginning balance | 120,291us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_ServicesMember
Goodwill of acquired businesses | 0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = bro_ServicesMember
Goodwill disposed of relating to sales of businesses | 0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = bro_ServicesMember
Ending balance | $ 120,291us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = bro_ServicesMember

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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