Leases - Building Rental Revenue (Details) ft² in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019 USD ($)	Dec. 27, 2020 USD ($)	Dec. 29, 2019 USD ($) ft²
Leases [Abstract]
Building rental revenue	$ 30,595	$ 28,516
Sublease Income			$ 10,800
Repurchase price			$ 245,300
Condominium size (in square feet) \| ft²			750
Lease sold			$ 225,000

Lessor, Investment Building, Size

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- Definition

Sale Leaseback Transaction, Asset Repurchase

+ References

No definition available.

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- References

No definition available.

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- Definition

Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature.

+ References

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- Definition

The historical cost of the asset(s) sold in connection with the sale of the property to another party and the lease of the property back to the seller.

+ References

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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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