Benefit Plans - 401(k) Plan (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Jan. 01, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Benefit Plans
401(k) Plan Matching contributions by the Company as percentage of employees' contributions	50.00%	50.00%
401(k) Plan Maximum contributions by the Company as percentage of employees' gross pay	8.00%	6.00%
401(k) Plan contributions			$ 775	$ 536	$ 1,677	$ 1,116