Acquisitions - Acquisition of Choose Digital (Details) - Choose Digital Inc. - USD ($) $ in Thousands									6 Months Ended
	Jan. 29, 2016	Dec. 31, 2015	Nov. 30, 2015	Oct. 31, 2015	Sep. 30, 2015	Aug. 31, 2015	Jul. 31, 2015	Jun. 24, 2015	Jan. 29, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Period for average closing price								5 days
Contingent consideration at time of acquisition		$ 1,502						$ 4,792		$ 4,792
Other payments to acquire businesses		$ 517	$ 521	$ 524	$ 528	$ 532	$ 668
Forecast
Business Acquisition [Line Items]
Other payments to acquire businesses	$ 1,754
Interest paid to acquire businesses									$ 252