Amount of square footage reduced in amendment.

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Sales price to be paid to a seller-lessee for property in a sales-leaseback transaction.

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Area of a real estate property.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of units (items of property) under operating lease arrangements.

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Amount of transactions with related party during the financial reporting period.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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.

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The portion of the deferred gain that was recognized in the current period.

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Amount of cash inflow before closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

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Related Party Transactions (Details)	1 Months Ended		12 Months Ended
Related Party Transactions (Details)	Jan. 30, 2016 USD ($) ft²	Dec. 31, 2015 USD ($)	Feb. 03, 2018 USD ($) ft² lease	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($) ft²
Georges Marciano settlement \| Settled litigation
Related Party Transactions
Payments under related party agreement		$ 100,000
Armand Marciano settlement \| Settled litigation
Related Party Transactions
Payments under related party agreement		$ 100,000
Marciano Trusts
Related Party Transactions
Number of leases under lease agreement \| lease			4
Marciano Trusts \| Related party leases
Related Party Transactions
Expenses under related party arrangement			$ 4,900,000	$ 5,000,000	$ 5,100,000
Marciano Trusts \| Parking lot adjacent to corporate headquarters
Related Party Transactions
Area of leased property (in square feet) \| ft²	140,000				140,000
Sales price of sales-leaseback transaction	$ 7,500,000				$ 7,500,000
Gross cash proceeds received from sales-leaseback transaction				7,500,000
Marciano Trusts \| Parking lot adjacent to corporate headquarters \| Other income/expense
Related Party Transactions
Net gains recognized in other income for sales-leaseback transaction	$ 3,400,000				3,400,000
MPM Financial LLC \| Payments for aircraft charter
Related Party Transactions
Payments under related party agreement			$ 1,100,000	$ 900,000	$ 600,000
Canada \| Marciano Trusts
Related Party Transactions
Renewal term			1 year
France \| Marciano Trusts
Related Party Transactions
Reduction in square footage \| ft²			5,100
Area of leased property (in square feet) \| ft²			16,000