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

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- Definition

Increase for accrued, but unpaid interest on the debt instrument for the period.

+ References

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- Definition

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

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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No definition available.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt - Senior Subordinated Notes - Loss on Extinguishment (Details) - USD ($)			6 Months Ended	12 Months Ended
	Oct. 15, 2015	Sep. 15, 2015	Jan. 27, 2018	Jan. 26, 2019	Jul. 29, 2017	Jul. 30, 2016	Jul. 15, 2015
Debt Instrument [Line Items]
Loss on debt extinguishment			$ 0	$ 0	$ 0	$ (16,260,000)
Loss on debt extinguishment			$ 0	$ 156,000	$ 0	$ 0
7.125% Senior Subordinated Notes
Debt Instrument [Line Items]
Debt instrument, face amount							$ 277,500,000.0
Debt, interest rate (in percent)			7.125%	7.125%	7.125%	7.125%	7.125%
Repayments of Debt		$ 296,600,000
Increase in accrued interest	$ 4,900,000
Redemption price, percentage	103.563%
Redemption premium	$ 14,200,000
Loss on debt extinguishment					$ 16,300,000
gain on the extinguishment of debt	6,500,000
Loss on debt extinguishment	$ 4,900,000