Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Sep. 15, 2016 USD ($)	Dec. 31, 2016 USD ($) warehouse shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2016 USD ($) warehouse shares	Dec. 31, 2015 USD ($) shares	Jun. 30, 2015	Dec. 31, 2016 USD ($) warehouse	Jun. 30, 2016 USD ($)
Property, Plant and Equipment
Payments to Acquire Property, Plant, and Equipment	$ 42,500			$ 26,864	$ 11,383
Number of delivery routes		450		450			450
(Recovery of) provision for doubtful accounts				$ (44)	217
Cost of goods sold		$ 83,929	$ 89,399	163,219	$ 172,265
Property, plant and equipment gross		$ 335,291		$ 335,291			$ 335,291	$ 314,709
Shares issuable under stock options (in shares) | shares		122,897	139,187	122,142	135,513
Antidilutive securities excluded from computation of earnings per share (in shares) | shares		29,032	13,887	24,804	21,723
Shipping and handling costs		$ 6,400	$ 3,400	$ 11,200	$ 5,600
Coffee Brewing Equipment and Service
Property, Plant and Equipment
Cost of goods sold		$ 5,800	6,900	$ 12,300	13,400
Branch Warehouses
Property, Plant and Equipment
Number of real estate properties | warehouse		107		107			107
Building and Facilities
Property, Plant and Equipment
Property, plant and equipment gross		$ 53,388		$ 53,388			$ 53,388	54,768
Building and Facilities | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life						30 years
Building and Facilities | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life						10 years
Machinery and Equipment
Property, Plant and Equipment
Property, plant and equipment gross		$ 172,267		172,267			172,267	177,784
Machinery and Equipment | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life		10 years
Machinery and Equipment | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life		3 years
Equipment under Capital Leases
Property, Plant and Equipment
Property, plant and equipment gross		$ 8,821		8,821			8,821	11,982
Furniture and Fixtures [Member] | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life		7 years
Furniture and Fixtures [Member] | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life		5 years
Office Furniture and Equipment
Property, Plant and Equipment
Property, plant and equipment gross		$ 10,661		10,661			10,661	16,077
Capitalized Software Costs
Property, Plant and Equipment
Property, plant and equipment gross		$ 21,307		21,307			21,307	21,545
Capitalized Software Costs | Maximum
Property, Plant and Equipment
Property, plant and equipment useful life		5 years
Capitalized Software Costs | Minimum
Property, Plant and Equipment
Property, plant and equipment useful life		3 years
Coffee Brewing Equipment
Property, Plant and Equipment
Depreciation		$ 2,100	$ 2,600	4,500	$ 5,100
Property, plant and equipment gross		5,900		5,900			5,900	3,900
Letter of Credit, Self-insurance, Non-California [Member]
Property, Plant and Equipment
Letters of credit outstanding		4,300		4,300			4,300	4,300
Northlake, Texas | Building and Facilities
Property, Plant and Equipment
Property, plant and equipment gross		51,332		51,332			51,332	28,110
Northlake, Texas | Machinery and Equipment
Property, Plant and Equipment
Payments to Acquire Property, Plant, and Equipment							17,900
Property, plant and equipment gross		$ 17,515		$ 17,515			$ 17,515	$ 4,443