Employee Benefit Programs	12 Months Ended
Dec. 31, 2014
Employee Benefits and Share-based Compensation [Abstract]
Compensation and Employee Benefit Plans [Text Block]	EMPLOYEE BENEFIT PROGRAMS: Employee Bonus Programs The Company has performance-based bonus programs that include a majority of non-union employees. Approximately $15.8 million, $17.7 million and $14.2 million were awarded under the various performance-based bonus plans in the years ended December 31, 2014, 2013 and 2012, respectively. Defined Contribution Plans Under the Genesee & Wyoming Inc. 401(k) Savings Plan, the Company matches participants' contributions up to 4% of the participants' salary on a pre-tax basis. Under the RailAmerica Employees' 401(k) Savings Plan, which remained in effect in 2013 for legacy RailAmerica employees that were employees of the Company during 2013, the Company made contributions to their plan at a rate of 50% of the employees' contribution up to $2,500 for Railroad Retirement employees and up to $5,000 for employees covered under the Federal Insurance Contributions Act. The Company's contributions to the plans in total for the years ended December 31, 2014, 2013 and 2012 were $4.4 million, $3.8 million and $1.8 million, respectively. The Company's contribution for the year ended December 31, 2012 does not include contributions made by RailAmerica to its 401(k) plan during the period while the shares of RailAmerica were held in a voting trust. The Company's Canadian subsidiaries administer three different retirement benefit plans. The plans qualify under Section 146 of the federal and provincial income tax law and are Registered Retirement Savings Plans (RRSP). Under each plan, employees may elect to contribute a certain percentage of their salary on a pre-tax basis. Under one plan, the Company matches 6% of gross salary up to a maximum of C$3,500 (or $3,017 at the December 31, 2014 exchange rate). Under the other two plans, the Company matches the employee's contribution up to a maximum of 5% of gross salary. Company contributions to the plans in the years ended December 31, 2014, 2013 and 2012, were $1.3 million, $1.3 million and $0.7 million, respectively. The Company's contribution for the year ended December 31, 2012 does not include contributions made by RailAmerica to its retirement benefit plan during the period while the shares of RailAmerica were held in a voting trust. The Company's Australian subsidiary administers a statutory retirement benefit plan. The Company was required to contribute the equivalent of 9.50%, 9.25% and 9.00% of an employee's base salary into a registered superannuation fund in each of the years ended December 31, 2014, 2013 and 2012, respectively. Employees may elect to make additional contributions either before or after tax. Company contributions were $4.7 million, $4.4 million and $4.1 million for the years ended December 31, 2014, 2013 and 2012, respectively. Defined Benefit Plans The Company administers three United States noncontributory defined benefit plans for union and non-union employees and one Canadian noncontributory defined benefit plan. Benefits are determined based on a fixed amount per year of credited service. The Company's funding policy requires contributions for pension benefits based on actuarial computations which reflect the long-term nature of the plans. The Company has met the minimum funding requirements according to the United States Employee Retirement Income Security Act (ERISA) and Canada's Pension Benefits Standards Act. As of December 31, 2014, there were approximately 270 employees participating under these plans. As of December 31, 2014, the Company's consolidated balance sheet included a $3.2 million pension liability and a $0.1 million loss in accumulated other comprehensive (loss)/income related to these plans. The Company administers two plans which provide health care and life insurance benefits for certain retired employees in the United States. The Company funds the plans on a pay-as-you-go basis. As of December 31, 2014, there were approximately 65 employees participating under these plans. As of December 31, 2014, the Company's consolidated balance sheet included a $5.9 million postretirement benefit liability and a $1.5 million gain in accumulated other comprehensive (loss)/income related to these plans.

EMPLOYEE BENEFIT PROGRAMS:

Employee Bonus Programs

The Company has performance-based bonus programs that include a majority of non-union employees. Approximately $15.8 million, $17.7 million and $14.2 million were awarded under the various performance-based bonus plans in the years ended December 31, 2014, 2013 and 2012, respectively.

Defined Contribution Plans

Under the Genesee & Wyoming Inc. 401(k) Savings Plan, the Company matches participants' contributions up to 4% of the participants' salary on a pre-tax basis. Under the RailAmerica Employees' 401(k) Savings Plan, which remained in effect in 2013 for legacy RailAmerica employees that were employees of the Company during 2013, the Company made contributions to their plan at a rate of 50% of the employees' contribution up to $2,500 for Railroad Retirement employees and up to $5,000 for employees covered under the Federal Insurance Contributions Act. The Company's contributions to the plans in total for the years ended December 31, 2014, 2013 and 2012 were $4.4 million, $3.8 million and $1.8 million, respectively. The Company's contribution for the year ended December 31, 2012 does not include contributions made by RailAmerica to its 401(k) plan during the period while the shares of RailAmerica were held in a voting trust.

The Company's Canadian subsidiaries administer three different retirement benefit plans. The plans qualify under Section 146 of the federal and provincial income tax law and are Registered Retirement Savings Plans (RRSP). Under each plan, employees may elect to contribute a certain percentage of their salary on a pre-tax basis. Under one plan, the Company matches 6% of gross salary up to a maximum of C$3,500 (or $3,017 at the December 31, 2014 exchange rate). Under the other two plans, the Company matches the employee's contribution up to a maximum of 5% of gross salary. Company contributions to the plans in the years ended December 31, 2014, 2013 and 2012, were $1.3 million, $1.3 million and $0.7 million, respectively. The Company's contribution for the year ended December 31, 2012 does not include contributions made by RailAmerica to its retirement benefit plan during the period while the shares of RailAmerica were held in a voting trust.

The Company's Australian subsidiary administers a statutory retirement benefit plan. The Company was required to contribute the equivalent of 9.50%, 9.25% and 9.00% of an employee's base salary into a registered superannuation fund in each of the years ended December 31, 2014, 2013 and 2012, respectively. Employees may elect to make additional contributions either before or after tax. Company contributions were $4.7 million, $4.4 million and $4.1 million for the years ended December 31, 2014, 2013 and 2012, respectively.

Defined Benefit Plans

The Company administers three United States noncontributory defined benefit plans for union and non-union employees and one Canadian noncontributory defined benefit plan. Benefits are determined based on a fixed amount per year of credited service. The Company's funding policy requires contributions for pension benefits based on actuarial computations which reflect the long-term nature of the plans. The Company has met the minimum funding requirements according to the United States Employee Retirement Income Security Act (ERISA) and Canada's Pension Benefits Standards Act. As of December 31, 2014, there were approximately 270 employees participating under these plans. As of December 31, 2014, the Company's consolidated balance sheet included a $3.2 million pension liability and a $0.1 million loss in accumulated other comprehensive (loss)/income related to these plans.

The Company administers two plans which provide health care and life insurance benefits for certain retired employees in the United States. The Company funds the plans on a pay-as-you-go basis. As of December 31, 2014, there were approximately 65 employees participating under these plans. As of December 31, 2014, the Company's consolidated balance sheet included a $5.9 million postretirement benefit liability and a $1.5 million gain in accumulated other comprehensive (loss)/income related to these plans.