Segment Information - Financial Information by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013	Jun. 28, 2014
Segment Reporting Information [Line Items]
Revenues	$ 237,309us-gaap_SalesRevenueNet	$ 225,919us-gaap_SalesRevenueNet	$ 467,551us-gaap_SalesRevenueNet	$ 446,142us-gaap_SalesRevenueNet
Income from continuing operations	28,624us-gaap_OperatingIncomeLoss	27,696us-gaap_OperatingIncomeLoss	55,474us-gaap_OperatingIncomeLoss	51,265us-gaap_OperatingIncomeLoss
Total assets	908,156us-gaap_Assets	904,020us-gaap_Assets	908,156us-gaap_Assets	904,020us-gaap_Assets	923,519us-gaap_Assets
Depreciation and amortization expense	7,946	7,796	15,837	15,427
United States
Segment Reporting Information [Line Items]
Revenues	200,400	187,561	394,798	371,763
Income from continuing operations	23,974	23,090	46,780	43,730
Total assets	857,994	841,330	857,994	841,330
Depreciation and amortization expense	7,013	6,756	13,908	13,285
Canada
Segment Reporting Information [Line Items]
Revenues	36,909	38,358	72,753	74,379
Income from continuing operations	4,650	4,606	8,694	7,535
Total assets	135,777	162,776	135,777	162,776
Depreciation and amortization expense	933	1,040	1,929	2,142
Eliminations
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Income from continuing operations	0	0	0	0
Total assets	(85,615)	(100,086)	(85,615)	(100,086)
Depreciation and amortization expense	$ 0	$ 0	$ 0	$ 0

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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