Debt Obligations - Debt & Capital Leases (Details) - USD ($)	Dec. 29, 2019	Dec. 30, 2018
Debt Instrument [Line Items]
Capital lease obligations		$ 6,832,000
Total short-term debt and capital lease obligations		253,630,000
Option To Repurchase Headquarters Building 2019
Debt Instrument [Line Items]
Principal amount	$ 245,300,000	250,000,000
Less unamortized discount based on imputed interest rate of 13.0%		3,202,000
Net option to repurchase ownership interest in Company Headquarters in 2019		$ 246,798,000
Imputed interest rate	13.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Net option to repurchase ownership interest in Company Headquarters in 2019	$ 0

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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