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Employee Benefit Plans (Details) (USD $) | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  | 1 Months Ended |  |  | 12 Months Ended | 3 Months Ended |  | 12 Months Ended
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Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2012 Farmer Brothers Plan | Jun. 30, 2011 Farmer Brothers Plan | Jun. 30, 2012 Brewmatic Plan | Jun. 30, 2011 Brewmatic Plan | Jun. 30, 2012 Hourly Employees' Plan | Jun. 30, 2011 Hourly Employees' Plan | Jun. 30, 2012 Postretirement Benefits Other Than Pension | Jun. 30, 2011 Postretirement Benefits Other Than Pension | Jun. 30, 2012 Publicly Traded Mutual Fund | Jun. 30, 2011 Publicly Traded Mutual Fund | Jun. 30, 2012 Real Estate | Jun. 30, 2011 Real Estate | Jun. 30, 2012 Real Estate Farmer Brothers Plan | Jun. 30, 2011 Real Estate Farmer Brothers Plan | Jun. 30, 2012 Real Estate Brewmatic Plan | Jun. 30, 2011 Real Estate Brewmatic Plan | Jun. 30, 2012 Real Estate Hourly Employees' Plan | Jun. 30, 2011 Real Estate Hourly Employees' Plan | Jun. 30, 2012 Minimum | Jun. 30, 2012 Maximum | Jun. 30, 2012 Green Zone [Member] Minimum | Oct. 31, 2011 Western Conference of Teamsters Pension Plan | Jun. 30, 2012 Western Conference of Teamsters Pension Plan | Jun. 30, 2011 Western Conference of Teamsters Pension Plan | Jun. 30, 2012 Labor Management Pension Fund quarter | Jun. 30, 2012 Central States Pension Fund | Jun. 30, 2012 Multiemployer Plans, Pension | Jun. 30, 2012 Other Postretirement Benefit Plans, Defined Contribution plan | Jun. 30, 2011 Other Postretirement Benefit Plans, Defined Contribution | Jun. 30, 2010 Other Postretirement Benefit Plans, Defined Contribution
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of net (gain) loss for the period |  |  |  |  | $ (570,000) | $ (2,871,000) | $ (87,000) | $ (119,000) | $ 0 | $ 0 | $ (794,000) | $ (802,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of Curtailments | 1,500,000 |  |  |  | 0 | 8,560,000 | 0 | (7,000) | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plan assets by category |  |  |  |  | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |  |  | 95.00% | 94.00% | 5.00% | 6.00% | 5.00% | 6.00% | 5.00% | 6.00% | 6.00% | 6.00% |  |  |  |  |  |  |  |  |  |  |  |
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year |  |  |  |  | 600,000 |  | 200,000 |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected employer contributions in the next fiscal year |  |  |  |  | 3,900,000 |  | 400,000 |  | 100,000 |  | 1,363,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Funded status of multiemployer plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80.00% |  | 90.30% | 93.40% |  |  |  |  |  |
Company's share of multiemployer plan's unfunded vested benefit liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,700,000 |  |  |  |  |  |  |
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 |  | 4,568,000 | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |
Expected contributions to multiemployer plans in next fiscal year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,200,000 | 6,400,000 |  |
Number of non-pension multiemployer plans that the Company participates in |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9 |  |
Company contributions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,800,000 | 5,400,000 | 4,800,000
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 |  |  |  |  | (570,000) | (2,871,000) | (87,000) | (119,000) | 0 | 0 | 8,953,000 | (379,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service (cost)/credit |  |  |  |  | 0 | 122,000 | 18,000 | 18,000 | 0 | 0 | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Contribution Plan, Employer Matching Contribution, Amount |  | $ 1,400,000 | $ 100,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 + Details
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Period Type: | duration

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- Definition Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant