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Debt Obligations - Debt Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2009
USD ($)
Sep. 29, 2019
USD ($)
Dec. 29, 2019
USD ($)
Dec. 30, 2018
USD ($)
Mar. 06, 2009
ft²
Debt Instrument [Line Items]          
Net Rentable Area | ft²         750,000
Sale Leaseback Financing, Amortization Period     10 years    
Option To Repurchase Headquarters Building 2019          
Debt Instrument [Line Items]          
Long-term debt     $ 245,300,000 $ 250,000,000  
Sale leaseback transaction, sale price for the Condo Interest $ 225,000,000        
Net option to repurchase ownership interest in Company Headquarters in 2019       $ 246,798,000  
Revolving Credit Facility          
Debt Instrument [Line Items]          
Unsecured revolving credit facility, maximum borrowing capacity   $ 250,000,000.0      
Unsecured revolving credit facility, term   5 years      
Unsecured revolving credit facility, unused commitment fee   0.20%      
Net option to repurchase ownership interest in Company Headquarters in 2019     $ 0