Summary of Significant Accounting Policies (Accounts Payable) (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Accounting Policies [Abstract]
Trade accounts payable	$ 227,557	$ 221,395
Compensation	53,147	52,227
Profit sharing and retirement expense	28,264	28,300
Marketing expenses	46,344	36,529
Freight	15,998	13,892
Other accrued expenses	81,892	76,522
Accounts payable and accrued expenses	$ 453,202	$ 428,865

Accrued Freight Cost, Current

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Profit Sharing and Retirement Expense, Current

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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