Operating Segments - Segment Detail (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 25, 2016	Mar. 31, 2017	Mar. 25, 2016
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss	$ 0	$ (24,465)	$ 0	$ (24,465)
Goodwill and Intangible Asset Impairment		(24,465)		(24,465)
Gross revenue	189,724	158,130	569,237	451,332
Net service revenue	128,725	121,253	380,386	332,798
Segment profit from reportable operating segments	7,010	(23,302)	20,003	(8,931)
Corporate shared services	(13,889)	(11,898)	(42,804)	(32,434)
Stock-based compensation expense	(1,786)	(1,498)	(5,529)	(4,278)
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed	0	(435)	0	(2,553)
Depreciation and amortization	(4,514)	(5,104)	(13,389)	(10,148)
Interest income	391	189	955	326
Interest expense	(1,201)	(1,073)	(2,887)	(1,562)
Income from operations before taxes	6,200	(24,186)	18,071	(10,167)
Acquisition and integration expenses	0	1,606	0	3,724
Oil and Gas
Segment Reporting Information [Line Items]
Segment profit from reportable operating segments			4,883
Operating Segments
Segment Reporting Information [Line Items]
Gross revenue	188,977	156,992	566,406	448,330
Net service revenue	128,090	120,593	378,617	330,971
Segment profit from reportable operating segments	23,008	15,379	69,332	55,954
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed	0	(1,171)	0	(1,171)
Depreciation and amortization	(4,191)	(4,719)	(12,393)	(8,993)
Acquisition and integration expenses		1,171
Reconciling Items
Segment Reporting Information [Line Items]
Gross revenue	747	1,138	2,831	3,002
Net service revenue	635	660	1,769	1,827
Depreciation and amortization	$ (323)	$ (385)	$ (996)	$ (1,155)