Segment Information - Financial Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Financial information by segment
Revenues	$ 937,642	$ 900,869	$ 866,018
Income from continuing operations	101,214	96,115	84,005
Interest expense	7,138	6,320	4,853
Total assets	928,865	923,519	897,286
Capital expenditures-net	55,838	32,776	35,524
Depreciation and amortization expense	32,298	30,877	32,175
Provision for income taxes	34,206	33,730	28,646
United States
Financial information by segment
Revenues	796,855	752,802	711,172
Income from continuing operations	85,207	79,290	66,144
Interest expense	7,059	6,320	4,853
Total assets	885,963	859,474	831,860
Capital expenditures-net	51,032	29,053	31,113
Depreciation and amortization expense	28,644	26,743	27,050
Provision for income taxes	31,443	28,684	24,342
Canada
Financial information by segment
Revenues	140,787	148,067	154,846
Income from continuing operations	16,007	16,825	17,861
Interest expense	79	0	0
Total assets	133,563	170,775	161,675
Capital expenditures-net	4,806	3,723	4,411
Depreciation and amortization expense	3,654	4,134	5,125
Provision for income taxes	2,763	5,046	4,304
Elimination
Financial information by segment
Revenues	0	0	0
Income from continuing operations	0	0	0
Interest expense	0	0	0
Total assets	(90,661)	(106,730)	(96,249)
Capital expenditures-net	0	0	0
Depreciation and amortization expense	0	0	0
Provision for income taxes	$ 0	$ 0	$ 0