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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2017
Dec. 30, 2016
Jan. 01, 2016
Allowance for uncollectible accounts:      
Balance at Beginning of Period $ 21,302 $ 17,514 $ 8,880
Additions/(Deductions) Charged to Costs and Expenses 14,526 11,708 12,743
Additions/(Deductions) Charged to Other Accounts 193 25 1,891
Deductions (8,974) (7,945) (6,000)
Balance at End of Period $ 27,047 $ 21,302 $ 17,514