Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 26, 2016	Mar. 28, 2015	Mar. 26, 2016	Mar. 28, 2015	Jun. 27, 2015
Segment Reporting Information [Line Items]
Revenue	$ 239,307	$ 233,514	$ 719,538	$ 701,065
Income from operations	30,360	21,601	89,723	77,075
Total assets	918,454	899,232	918,454	899,232	$ 928,865
Depreciation and amortization expense	9,194	8,036	26,435	23,873
Operating Segments | United States
Segment Reporting Information [Line Items]
Revenue	206,215	200,005	620,705	594,803
Income from operations	25,900	17,880	77,092	64,660
Total assets	884,243	858,611	884,243	858,611
Depreciation and amortization expense	8,340	7,181	23,876	21,089
Operating Segments | Canada
Segment Reporting Information [Line Items]
Revenue	33,092	33,509	98,833	106,262
Income from operations	4,460	3,721	12,631	12,415
Total assets	134,765	128,893	134,765	128,893
Depreciation and amortization expense	854	855	2,559	2,784
Elimination
Segment Reporting Information [Line Items]
Revenue	0	0	0	0
Income from operations	0	0	0	0
Total assets	(100,554)	(88,272)	(100,554)	(88,272)
Depreciation and amortization expense	$ 0	$ 0	$ 0	$ 0