Represents the initial conversion premium of as a percentage of last reported sale price of the Common Stock.

No definition available.

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- Definition

Options, Threshold Trading Days

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No definition available.

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- Definition

Options, Trading Period

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No definition available.

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- Definition

Represents the cash outflow for capped call transactions.

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No definition available.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

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- Definition

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

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- Definition

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

+ References

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- Definition

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 of principal amount of debt redeemed.

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No definition available.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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Long-Term Debt and Short-Term Borrowings - Convertible Senior Notes (Details)		12 Months Ended
	Sep. 17, 2020 USD ($) $ / shares	Dec. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 26, 2019 USD ($)	Sep. 22, 2020
Debt Instrument [Line Items]
Capped call transactions		$ 0	$ 16,908,000	$ 0
Initial conversion premium	100.00%
Share price (in dollars per share) \| $ / shares	$ 8.99
Threshold percentage of conversion price on each applicable trading day		130.00%
Trading period		20 days
Threshold trading days		30 days
Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Face amount	$ 100,050,000	$ 1,000
Interest rate	5.00%				5.00%
Net proceeds from the sale of the Convertible Notes	$ 95,421,000
Capped call transactions	$ 16,908,000
Initial conversion rate	90.8038
Initial conversion price (in dollars per share) \| $ / shares	$ 11.01
Initial conversion premium	22.50%
Share price (in dollars per share) \| $ / shares	$ 8.99
Purchase price as a percentage of principal amount	100.00%
Threshold percentage of conversion price on each applicable trading day		98.00%