Receivables (Summary Of Net Receivables) (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Dec. 29, 2018
Receivables [Abstract]
Gross accounts receivable	$ 1,259,584	$ 1,237,127
Less: Allowance for doubtful accounts	104,604	64,561
Accounts receivable, net of allowance	1,154,980	1,172,566
Current portion of lease receivables		10,928
Total receivables, net	$ 1,154,980	$ 1,183,494

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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The net amount due within one year of the balance sheet date or the normal operating cycle, if longer, consisting of: (a) minimum lease payments on sales type leases and (b) unguaranteed residual value; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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