Employee Benefit Plans (Details) (USD $)	3 Months Ended					6 Months Ended	9 Months Ended	12 Months Ended																					12 Months Ended				1 Months Ended			12 Months Ended	3 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2011	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Farmer Brothers Plan	Jun. 30, 2012 Farmer Brothers Plan	Jun. 30, 2013 Brewmatic Plan	Jun. 30, 2012 Brewmatic Plan	Jun. 30, 2013 Hourly Employees' Plan	Jun. 30, 2012 Hourly Employees' Plan	Jun. 30, 2013 Postretirement Benefits Other Than Pension	Jun. 30, 2012 Postretirement Benefits Other Than Pension	Jun. 30, 2011 Postretirement Benefits Other Than Pension	Jun. 30, 2013 Publicly Traded Mutual Fund	Jun. 30, 2012 Publicly Traded Mutual Fund	Jun. 30, 2012 Real Estate	Jun. 30, 2013 Real Estate Farmer Brothers Plan	Jun. 30, 2012 Real Estate Farmer Brothers Plan	Jun. 30, 2013 Real Estate Brewmatic Plan	Jun. 30, 2012 Real Estate Brewmatic Plan	Jun. 30, 2013 Real Estate Hourly Employees' Plan	Jun. 30, 2012 Real Estate Hourly Employees' Plan	Jun. 30, 2013 Minimum	Jun. 30, 2013 Maximum	Jun. 30, 2013 Program for Enhanced Early Retirement	Jun. 30, 2013 Green Zone [Member] Minimum	Oct. 31, 2011 Western Conference of Teamsters Pension Plan	Jun. 30, 2013 Western Conference of Teamsters Pension Plan	Jun. 30, 2012 Western Conference of Teamsters Pension Plan	Jun. 30, 2012 Labor Management Pension Fund quarter	Jun. 30, 2012 Central States Pension Fund	Jun. 30, 2013 Multiemployer Plans, Pension	Jun. 30, 2013 Other Postretirement Benefit Plans, Defined Contribution [Member] plan	Jun. 30, 2012 Other Postretirement Benefit Plans, Defined Contribution [Member]	Jun. 30, 2011 Other Postretirement Benefit Plans, Defined Contribution [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amortization of net (gain) loss for the period											$ (1,422,000)	$ (570,000)	$ (126,000)	$ (87,000)	$ 0	$ 0	$ (17,000)	$ 164,000	$ 712,000
Effect of Curtailments	34,000				1,500,000						0	0	0	0	0	0
Plan assets by category											100.00%	100.00%	100.00%	100.00%	100.00%	100.00%				100.00%	95.00%	5.00%	5.00%	5.00%	5.00%	5.00%	5.00%	6.00%
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year											300,000		0		400,000
Expected employer contributions in the next fiscal year											1,000,000		100,000		200,000		640,000
Funded status of multiemployer plans																																80.00%		90.00%	90.30%
Company's share of multiemployer plan's unfunded vested benefit liability																																		11,600,000
Average hour calculation period for monthly payments in the case of withdrawal from multiemployer plan																																	3 years
Window for average hour calculation period in the case of withdrawal from multiemployer plan																																	10 years
Interest rate on monthly payments in the case of withdrawal from multiemployer plan, after interest free period																																	7.00%
Withdrawal obligation																																	0			4,300,000
Quarterly installment payments on estimated withdrawal liability																																				100,000
Number of quarters relating to installment payments on estimated withdrawal liability																																				80
Determination period relating to withdrawal liability																																				24 months
Pension withdrawal expense		220,000	0	4,348,000		4,348,000	4,348,000	0	4,568,000	0																											300,000
Expected contributions to multiemployer pension plan																																						3,400,000	6,400,000
Number of non-pension multiemployer plans that the Company participates in																																							8
Multiemployer Plan, Period Contributions																																							5,800,000	5,800,000	5,400,000
Hours required for plan qualification																													T1000H
Elective employee contribution, as a percentage of their annual pay, range																													1.00%	15.00%
Percentage of employee contribution eligible for Company matching								50.00%
Company contribution, maximum percentage of employee's eligible income								6.00%
Plan periodic vesting percentage								20.00%
Plan, periodic vesting period								5 years
Automatic vesting age								65 years
Current employees, percent vested								100.00%
Amortization of net gain (loss)								(800,000)			1,422,000	570,000	126,000	87,000	0	0	8,520,000	(1,419,000)
Amortization of prior service (cost)/credit								(1,800,000)			0	0	(19,000)	(18,000)	0	0	0	0
Defined Contribution Plan, Employer Matching Contribution, Amount								$ 1,200,000	$ 1,400,000	$ 100,000
Employer contributions (hours)																															T173H