Acquisitions - Purchase Consideration (Details) - USD ($) $ in Thousands		9 Months Ended
	Nov. 28, 2016	Jun. 30, 2017
Business Acquisition [Line Items]
Non-cash consideration transferred		$ 10,348
Cool Lab, LLC
Business Acquisition [Line Items]
Total purchase price	$ 15,200
Payments to acquire businesses	4,800
Liabilities incurred	100
Non-cash consideration transferred	10,300
Equity method investments, fair value disclosure	3,100
Convertible debt securities and warrants	5,600
Term notes, fair value disclosure	1,600
Aggregate carrying value	$ 8,600
Gain of fair value measurement included in earnings		$ 1,600