Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 26, 2021	Sep. 26, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use assets, net	$ 192,638	$ 192,638	$ 191,370
Operating lease liabilities	197,485	197,485
Operating lease cost	$ 15,300	$ 46,100
Weighted average remaining lease term (in years)	6 years 7 months 6 days	6 years 7 months 6 days
Weighted average discount rate (as a percent)	6.00%	6.00%
Cash payments for operating leases	$ 12,200	$ 36,500

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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