Acquisitions (Details)				3 Months Ended								12 Months Ended
	Oct. 02, 2017 USD ($) shares	Feb. 07, 2017 USD ($) ft²	Oct. 11, 2016 USD ($) ft²	Jun. 30, 2018 USD ($) shares	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2018 USD ($) shares	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue												$ 628,526,000	$ 636,969,000
Net sales				$ 149,538,000	$ 157,927,000	$ 167,366,000	$ 131,713,000	$ 133,800,000	$ 138,187,000	$ 139,025,000	$ 130,488,000	606,544,000	541,500,000	$ 544,382,000
Business Combination, Acquisition Related Costs												39,500,000
Consideration for Boyd Coffee acquisition												11,572,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill				36,224,000				10,996,000				36,224,000	10,996,000	272,000
Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized												25,400,000
Finite-lived intangible assets, accumulated amortization				13,476,000				11,093,000				13,476,000	11,093,000
Working capital adjustments			$ 400,000
June 30, 2019				2,646,000								2,646,000
Cash paid, net of cash acquired												39,608,000	25,853,000	0
Business Combination, Provisional Information, Initial Accounting Incomplete, Nature of Adjustments		-218
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability												(500,000)
Business Combination, Contingent Consideration, Liability, Noncurrent				0				1,100,000				0	1,100,000
Income (loss) before taxes												(968,000)	37,366,000	(448,000)
Business Acquisition, Pro Forma Information, Earnings Before Taxes												(642,000)	36,969,000
Trade Secrets
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets, accumulated amortization				221,000				88,000				221,000	88,000
Noncompete Agreements
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets, accumulated amortization				81,000				38,000				81,000	38,000
Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets, accumulated amortization				12,903,000				10,883,000				12,903,000	10,883,000
Trademarks and Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets, accumulated amortization				271,000				$ 84,000				271,000	84,000
China Mist Brands, Inc
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable			(383,000)
Business Combination, Acquisition Related Costs												0	200,000
Consideration for Boyd Coffee acquisition			12,236,000									12,200,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Total Consideration			189,000
Finite-lived intangible assets			$ 3,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			8 years 10 months 24 days
Goodwill			$ 2,927,000
Cash paid, net of cash acquired			11,183,000
Post-closing final working capital adjustments				553,000								553,000
Business Combination, Acquired Receivable, Fair Value			811,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory			544,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets			48,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			12,236,000
Earnout payable—RLC acquisition			500,000	$ 0								0
China Mist Brands, Inc | Trade Secrets
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets			$ 930,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			7 years
China Mist Brands, Inc | Noncompete Agreements
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets			$ 100,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			5 years
China Mist Brands, Inc | Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets			$ 2,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			10 years
China Mist Brands, Inc | Trademarks and Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets			$ 5,070,000
West Coast Coffee, Inc.
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		$ (833,000)
Business Combination, Consideration Transferred, Including Earnout Liability		15,500,000
Consideration for Boyd Coffee acquisition		15,053,000
Payments to acquire business		14,700,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Total Consideration		1,546,000
Finite-lived intangible assets		5,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			9 years 3 months 29 days
Goodwill		7,630,000
Working capital adjustments		1,200,000
Cash paid, net of cash acquired		14,671,000
Fair value of contingent consideration		1,000,000
Business Combination, Acquired Receivable, Fair Value		956,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		910,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets		16,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		15,053,000
Earnout payable—RLC acquisition		600,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other		(182,000)
Business Combination, Contingent Consideration, Liability, Noncurrent		600,000
Business Acquisition, Transaction Costs		300,000
West Coast Coffee, Inc. | Noncompete Agreements
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets		$ 100,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		5 years
West Coast Coffee, Inc. | Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets		$ 4,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
West Coast Coffee, Inc. | Trademarks and Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
West Coast Coffee, Inc. | Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		1 year 8 months 12 days
Boyd Coffee
Business Acquisition [Line Items]
Net sales												67,385,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	$ (15,080,000)
Business Combination, Acquisition Related Costs												7,600,000	1,700,000
Consideration for Boyd Coffee acquisition	51,599,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Total Consideration	$ 4,936,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Goodwill	$ 25,395,000
Cash paid, net of cash acquired	38,871,000
Business Combination, Acquired Receivable, Fair Value	7,503,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	9,415,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets	1,951,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	51,599,000
Earnout payable—RLC acquisition	3,150,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	$ (1,621,000)
Consideration for Boyd Coffee acquisition (shares) | shares	14,700
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 11,756,000
Non-cash Multiemployer Plan Holdback payable recognized—Boyd Coffee acquisition	1,056,000											1,056,000	$ 0	$ 0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets	(8,059,000)
Income (loss) before taxes												$ 1,572,000
Boyd Coffee | Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets	16,000,000
Boyd Coffee | Trademarks and Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets	$ 3,100,000
Hillsboro, OR [Member] | West Coast Coffee, Inc.
Business Acquisition [Line Items]
Area of real estate property | ft²		20,400
Other Property [Member] | West Coast Coffee, Inc.
Business Acquisition [Line Items]
Area of real estate property | ft²		24,150
Scottsdale, AZ [Member] | China Mist Brands, Inc
Business Acquisition [Line Items]
Area of real estate property | ft²			17,400
WCC Trade Name-1 [Member] | West Coast Coffee, Inc. | Trademarks and Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets		$ 260,000
WCC Trade Name-2 [Member] | West Coast Coffee, Inc. | Trade Names
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets		$ 250,000
Series A Preferred Stock
Business Acquisition [Line Items]
Preferred stock, issued (in shares) | shares	14,700			14,700								14,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Number of shares the holder may convert beginning October 2, 2019 | shares	6,300
Series A Preferred Stock | Boyd Coffee
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Earnout payable—RLC acquisition	$ 4,825,000
Convertible Preferred Stock, Shares Reserved for Future Issuance | shares	6,300