Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Fair Value of Company's Fixed Rate Senior Notes and Junior Subordinated Debentures (Detail)

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Fair Value Measurements - Fair Value of Company's Fixed Rate Senior Notes and Junior Subordinated Debentures (Detail) - USD ($)
$ in Thousands
Dec. 28, 2019
Dec. 29, 2018
Jun. 30, 2014
6.375% Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Stated rate 6.375%    
6.375% Senior Notes | Carrying Amount      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt $ 327,222 $ 326,110  
6.375% Senior Notes | Estimated Fair Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt 305,250 267,300  
Junior Subordinated Debentures | Carrying Amount      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt 124,814 126,202  
Junior Subordinated Debentures | Estimated Fair Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt $ 148,731 $ 130,636 $ 131,141