Stockholders' Equity Summary of Changes in Equity (Details) - USD ($) $ in Thousands	4 Months Ended
Jan. 20, 2019	Jan. 21, 2018	Sep. 30, 2018	Oct. 01, 2017
Summary of Changes in Equity [Abstract]
Stockholders' Equity Attributable to Parent	$ (607,296)	$ (374,560)	$ (591,699)	$ (388,130)
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	115	0
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	1,909	3,385
Dividends declared	(10,318)	(11,773)
Net earnings	34,098	12,190
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(4,071)	9,919
Cumulative Effect on Retained Earnings, Net of Tax	$ (37,330)	$ (151)

Summary of Changes in Equity [Abstract]

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Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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