Debt Instrument, Covenant Compliance, Consolidated Leverage Ratio, Maximum

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- Definition

Line of Credit Facility Incremental Additional Facilities Option Amount

+ References

No definition available.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

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-Topic 944

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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 210.5-02.22(a)(1))

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

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-Topic 835

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

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-Topic 835

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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Debt (Details)		12 Months Ended
Debt (Details)	Apr. 24, 2015 USD ($)	Jul. 25, 2015 USD ($)	Jul. 26, 2014 USD ($)	Jul. 27, 2013	Dec. 03, 2012 USD ($)
Debt Instrument [Line Items]
Debt and capital lease obligations		$ 525,591,000	$ 457,801,000
Debt, interest rate (in percent)		7.125%	7.125%	7.125%
Long-term debt premium on 7.125% senior subordinated notes (amortizes to interest expense through January 2021)		$ 2,800,000	$ 3,200,000
7.125% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Debt and capital lease obligations		$ 280,300,000	280,700,000
Credit Agreement, December 3, 2012, Maturing December 2017
Debt Instrument [Line Items]
Debt covenant compliance, consolidated leverage maximum (ratio)		3.00
Credit Agreement
Debt Instrument [Line Items]
Debt covenant compliance, consolidated leverage maximum (ratio)		3.50
Senior Subordinated Notes \| 7.125% Senior Subordinated Notes Due 2021
Debt Instrument [Line Items]
Debt and capital lease obligations		$ 277,500,000	$ 277,500,000
Debt, interest rate (in percent)		7.125%	7.125%
Long-term debt premium on 7.125% senior subordinated notes (amortizes to interest expense through January 2021)		$ 2,841,000	$ 3,238,000
Long-term debt, fair value		290,000,000	297,600,000
Credit Agreement - Term Loan (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Debt and capital lease obligations		$ 150,000,000	$ 114,063,000
Credit facility amount	$ 150,000,000
Debt Instrument, Interest Rate at Period End		1.94%	2.15%
Debt covenant compliance, consolidated leverage maximum (ratio)		2.25
Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement, December 3, 2012, Maturing December 2017
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)			0.35%
Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Debt and capital lease obligations		$ 95,250,000	$ 63,000,000
Line of credit current borrowing capacity	450,000,000				$ 275,000,000
Debt Instrument, Interest Rate at Period End		2.02%	2.55%
Unutilized commitment fee (in percent)		0.35%
Additional borrowing availability		$ 300,300,000	$ 162,600,000
Line of Credit Facility Incremental Additional Facilities Option Amount	150,000,000
Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Standby Letters of Credit
Debt Instrument [Line Items]
Line of credit current borrowing capacity	$ 200,000,000				$ 150,000,000
Letters of credit outstanding amount		$ 54,400,000	$ 49,400,000
Unutilized commitment fee (in percent)		1.75%	2.00%
Federal Fund Rate [Member] \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%
London Interbank Offered Rate (LIBOR) [Member] \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
Eurodollar [Member] \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Swingline Loans
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Administrative Agent Base Rate [Member] \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Swingline Loans
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.75%
Minimum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		0.25%
Minimum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Commercial Letters of Credit
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		0.625%
Minimum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Standby Letters of Credit
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		1.25%
Maximum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		0.40%
Maximum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Commercial Letters of Credit
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		1.00%
Maximum \| Credit Agreement - Revolving facility (matures April 2020) \| Credit Agreement \| Standby Letters of Credit
Debt Instrument [Line Items]
Unutilized commitment fee (in percent)		2.00%