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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
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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 |  |  |  |  |  |  |  |  |  |

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- Definition The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 264 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 106 -Paragraph 518 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 88 -Paragraph 6 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
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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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- 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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