RETIREMENT PLANS	12 Months Ended
RETIREMENT PLANS	Dec. 31, 2012
RETIREMENT PLANS
RETIREMENT PLANS	14. RETIREMENT PLANS In the United States, the Company has established the GFI Group 401(k) plan, pursuant to the applicable provisions of the Internal Revenue Code. It is available to all eligible U.S. employees and is subject to the provisions of the Employee Retirement Income Security Act of 1974. Employees may voluntarily contribute a portion of their compensation, not to exceed the statutory limits. The Company did not make any contributions to the plan for the years ended December 31, 2012, 2011 or 2010. In the U.K. the Company has established three defined contribution plans pursuant to the applicable laws in the U.K. Employees of certain U.K. subsidiaries may voluntarily designate a portion of their monthly compensation to be contributed, which the Company matches up to a certain percentage. The Company has made aggregate contributions of $1,859, $1,461 and $1,316 in 2012, 2011 and 2010, respectively, for these defined contribution plans, recorded in compensation and employee benefits.

The entire disclosure for pension and other postretirement benefits.

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