Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning Of Period	$ 13,608	$ 13,182	$ 12,600
Additions/ (Recoveries) Charged to Expense	1,941	3,160	2,084
Other Adjustments (1)	2,009	1,121	478
Write-Offs During the Period	(2,672)	(3,855)	(1,979)
Balance At End Of Period	14,886	13,608	13,182
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning Of Period	26,023	23,190	29,893
Additions/ (Recoveries) Charged to Expense	129	2,833	(6,703)
Write-Offs During the Period	(18,398)	0	0
Balance At End Of Period	$ 7,754	$ 26,023	$ 23,190