Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016	Dec. 26, 2015	Jul. 02, 2016
Segment Reporting Information [Line Items]
Revenue	$ 244,145	$ 243,060	$ 485,165	$ 480,231
Income from operations	20,813	31,484	39,414	59,362
Total assets	924,448	923,846	924,448	923,846	$ 921,537
Depreciation and amortization expense	9,185	8,786	18,241	17,242
Operating Segments | United States
Segment Reporting Information [Line Items]
Revenue	210,197	209,438	418,368	414,490
Income from operations	16,576	27,266	31,004	51,191
Total assets	892,571	895,841	892,571	895,841
Depreciation and amortization expense	8,297	7,931	16,410	15,536
Operating Segments | Canada
Segment Reporting Information [Line Items]
Revenue	33,948	33,622	66,797	65,741
Income from operations	4,237	4,218	8,410	8,171
Total assets	140,328	125,028	140,328	125,028
Depreciation and amortization expense	888	855	1,831	1,706
Elimination
Segment Reporting Information [Line Items]
Revenue	0	0	0	0
Income from operations	0	0	0	0
Total assets	(108,451)	(97,023)	(108,451)	(97,023)
Depreciation and amortization expense	$ 0	$ 0	$ 0	$ 0