Fair Value Measurements - Fair Value of Company's Fixed Rate Senior Notes and Junior Subordinated Debentures (Details) - USD ($) $ in Thousands |
Sep. 28, 2019 |
Dec. 29, 2018 |
|---|---|---|
| 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 | $ 326,944 | $ 326,110 |
| 6.375% Senior Notes | Estimated Fair Value | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Debt | 308,550 | 267,300 |
| Junior Subordinated Debentures | Carrying Amount | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Debt | 125,170 | 126,202 |
| Junior Subordinated Debentures | Estimated Fair Value | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Debt | $ 149,827 | $ 130,636 |