Operating Segments - Segment Detail (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 25, 2015	Dec. 26, 2014	Dec. 25, 2015	Dec. 26, 2014
Segment Reporting Information [Line Items]
Gross revenue	$ 157,743	$ 143,228	$ 293,202	$ 266,253
Net service revenue	111,382	99,838	211,545	192,457
Segment profit from reportable operating segments	6,698	6,866	14,371	12,858
Corporate shared services	(11,850)	(10,842)	(23,339)	(21,176)
Stock-based compensation expense	(1,511)	(1,209)	(2,780)	(2,376)
Depreciation and amortization	(2,780)	(2,641)	(5,044)	(4,906)
Interest income	137	0	137	0
Interest expense	(461)	(21)	(489)	(52)
Income from operations before taxes	6,374	6,845	14,019	12,806
Operating Segments
Segment Reporting Information [Line Items]
Gross revenue	156,288	142,273	294,163	266,463
Net service revenue	110,913	99,278	213,188	193,404
Segment profit from reportable operating segments	20,417	19,525	41,261	37,619
Depreciation and amortization	(2,422)	(2,033)	(4,273)	(3,697)
Reconciling Items
Segment Reporting Information [Line Items]
Gross revenue	1,455	955	(961)	(210)
Net service revenue	469	560	(1,643)	(947)
Depreciation and amortization	$ (358)	$ (608)	$ (771)	$ (1,209)