XML 107 R80.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stock Based Compensation Details (Details) | Dec. 31, 2015 shares
--- | ---
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Maximum​Number​OfShares​Available​ToBe​Granted​Under​Award​Stock​Plan | 14,400,000

X
- Definition Maximum​Number​OfShares​Available​ToBe​Granted​Under​Award​Stock​Plan + References No definition available. + Details
Name: | bro_MaximumNumberOfSharesAvailableToBeGrantedUnderAwardStockPlan
Namespace Prefix: | bro_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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