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v3.3.1.900

Employee Benefit Plans - Defined Contribution Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract] |  |  |
Defined Contribution Plan, Minimum Qualification Requirements, Work Period |  |  | 1000
401(k) Plan employer matching contribution | $ 0.8 | $ 0.7 |
Defined Contribution Plan, 401(k) Plan Employer Matching Contribution, Percentage of Employee Contribution | 50.00% |  |
Defined Contribution Plan, 401(k) Plan Employer Matching Contribution, Percent of Employees' Gross Pay | 6.00% |  |
Defined Contribution Plan, 401(k) Plan, Employers Matching Contribution, Annual Vesting Percentage | 20.00% |  |
Defined Contribution Plan, 401(k) Plan, Vesting Period | 5 years |  |
Defined Contribution Plan, 401(k) Plan, Automatic Vesting Age | 65 years |  |
Defined Contribution Plan, Employee Contribution Percentage Vested, Percent | 100.00% |  |

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- Definition Defined Contribution Plan, Automatic Vesting Age + References No definition available. + Details
Name: | farm_DefinedContributionPlanAutomaticVestingAge
Namespace Prefix: | farm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan, Employee Contribution Percentage Vested, Percent + References No definition available. + Details
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Namespace Prefix: | farm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan, Employer Matching Contribution, Amount + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Defined Contribution Plan, Employer Matching Contribution, Percentage of Employee Contribution + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
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- Definition Defined Contribution Plan, Minimum Qualification Requirements, Work Period + References No definition available. + Details
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- Definition Defined Contribution Plan, Vesting Period + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
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X
- 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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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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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Namespace Prefix: | us-gaap_
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Balance Type: | na
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