Segment Information - Financial Information by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012	Jun. 29, 2013
Schedule Of Geographical Segments [Line Items]
Revenues	$ 225,919	$ 218,270	$ 446,142	$ 428,864
Income (loss) from operations	27,696	22,281	51,265	41,213
Total assets	904,020	902,062	904,020	902,062	897,286
Depreciation and amortization expense	7,796	8,010	15,427	16,066
United States
Schedule Of Geographical Segments [Line Items]
Revenues	187,561	178,058	371,763	351,678
Income (loss) from operations	23,090	17,493	43,730	33,084
Total assets	841,330	830,342	841,330	830,342
Depreciation and amortization expense	6,756	6,700	13,285	13,438
Canada
Schedule Of Geographical Segments [Line Items]
Revenues	38,358	40,212	74,379	77,186
Income (loss) from operations	4,606	4,788	7,535	8,129
Total assets	162,776	159,639	162,776	159,639
Depreciation and amortization expense	1,040	1,310	2,142	2,628
Elimination
Schedule Of Geographical Segments [Line Items]
Revenues	0	0	0	0
Income (loss) from operations	0	0	0	0
Total assets	(100,086)	(87,919)	(100,086)	(87,919)
Depreciation and amortization expense	$ 0	$ 0	$ 0	$ 0