Receivables Schedule of Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 64,561	$ 52,786	$ 43,028
Additions charged to costs and expenses	57,167	25,529	29,248
Deductions	(15,653)	(13,754)	(19,490)
Balance at end of period	$ 106,075	$ 64,561	$ 52,786