Segment and Geographic Information (Revenue by Country) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 30, 2016	Sep. 30, 2016	Jul. 01, 2016	Apr. 01, 2016	Jan. 01, 2016	Oct. 02, 2015	Jun. 30, 2017	Jul. 01, 2016	Jul. 03, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 56,431	$ 58,700	$ 68,536	$ 58,207	$ 58,252	$ 60,467	$ 70,416	$ 79,555	$ 241,874	$ 268,690	$ 335,878
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									127,889	121,283	151,066
Nigeria
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									18,147	$ 28,862	$ 36,459
Philippines
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									$ 13,733
Revenue by Country | Total Revenue | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
% of Total Revenue									52.90%	45.10%	45.00%
Revenue by Country | Total Revenue | Nigeria
Revenues from External Customers and Long-Lived Assets [Line Items]
% of Total Revenue									7.50%	10.70%	10.90%
Revenue by Country | Total Revenue | Philippines
Revenues from External Customers and Long-Lived Assets [Line Items]
% of Total Revenue									5.70%