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Fair Value Measurements - Fair Value of Company's Fixed Rate Senior Notes and Junior Subordinated Debentures (Details) - USD ($) $ in Thousands | Sep. 25, 2021 | Dec. 26, 2020
--- | --- | ---
6.375% Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt instrument, stated rate | 6.375% |
6.375% Senior Notes | Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt | $ 0 | $ 328,333
6.375% Senior Notes | Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt | 0 | 327,525
Junior Subordinated Debentures | Carrying Amount |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt | 0 | 123,295
Junior Subordinated Debentures | Estimated Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt | $ 0 | $ 128,022

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