Employee Benefit Plans - Estimated Future Benefit Payments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Farmer Brothers Plan
Defined Benefit Plan Disclosure
June 30, 2015	$ 6,350
June 30, 2016	6,490
June 30, 2017	6,650
June 30, 2018	6,880
June 30, 2019	7,050
June 30, 2020 to June 30, 2024	38,860
Brewmatic Plan
Defined Benefit Plan Disclosure
June 30, 2015	280
June 30, 2016	280
June 30, 2017	270
June 30, 2018	280
June 30, 2019	280
June 30, 2020 to June 30, 2024	1,290
Hourly Employees' Plan
Defined Benefit Plan Disclosure
June 30, 2015	47
June 30, 2016	62
June 30, 2017	78
June 30, 2018	97
June 30, 2019	110
June 30, 2020 to June 30, 2024	890
Postretirement Benefits Other Than Pension
Defined Benefit Plan Disclosure
June 30, 2015	939
June 30, 2016	1,029
June 30, 2017	1,126
June 30, 2018	1,252
June 30, 2019	1,405
June 30, 2020 to June 30, 2024	$ 8,535