Employee Benefit Plans (Details)	12 Months Ended
	Jun. 30, 2016 USD ($) plan hour	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer plans, number of plans | plan	2
Defined contribution plan, hours threshold for eligibility | hour	1,000
Defined contribution plan, employer matching contribution percent	50.00%
Defined contribution plan, employer matching contribution, percent of eligible income	6.00%
Defined contribution plan, employer matching contribution, annual vesting percent	20.00%
Defined contribution plan, vesting period	5 years
Defined contribution plan, automatic vesting age	65 years
Defined contribution plan, employee vesting percent	100.00%
Defined contribution plan, employer matching contribution	$ 1,600,000	$ 1,400,000	$ 1,300,000
Defined benefit plan, discount rate	3.70%
Defined benefit plan, ultimate health care cost trend rate	9.00%
Defined benefit plan, health care cost rate trend rate	4.50%
Amortization of net gain (loss)		(600,000)
Amortization of prior service cost (credit)		$ (1,800,000)
Farmer Brothers Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year	$ 1,100,000
Plan assets by category	0.00%	100.00%
Expected employer contributions in the next fiscal year	$ 2,000,000
Defined benefit plan, discount rate	3.55%	4.40%
Amortization of net gain (loss)	$ (1,411,000)	$ (1,153,000)
Brewmatic Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year	$ 71,000
Plan assets by category	100.00%	100.00%
Expected employer contributions in the next fiscal year	$ 100,000
Defined benefit plan, discount rate	3.55%	4.40%
Amortization of net gain (loss)	$ (68,000)	$ (57,000)
Hourly Employees’ Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amount expected to be recognized as a component of net periodic benefit cost in the next fiscal year	$ 500,000
Plan assets by category	100.00%	100.00%
Expected employer contributions in the next fiscal year	$ 300,000
Defined benefit plan, discount rate	3.55%	4.40%
Amortization of net gain (loss)	$ 0	$ 0
Defined Contribution
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer plans, number of plans | plan	10
Postretirement Benefits Other Than Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected employer contributions in the next fiscal year	$ 1,080,000
Real Estate | Farmer Brothers Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category	6.00%	10.00%
Real Estate | Brewmatic Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category	6.00%	10.00%
Real Estate | Hourly Employees’ Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets by category	6.00%	10.00%
Multiemployer Plans, Pension | Multiemployer Plans, Defined Benefit Pension Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer plans, number of plans | plan	2
Multiemployer Plans, Pension | Multiemployer Plans, Defined Contribution Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer plans, number of plans | plan	1
Multiemployer Plans, Defined Contribution [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Multiemployer plans, number of plans | plan	10