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Fair Value of Financial Instruments (Details) - USD ($)
Mar. 30, 2019
Dec. 29, 2018
Mar. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative, Fair Value, Net $ 3,876,000 $ 5,823,000 $ 7,648,000
Unsecured Debt $ 628,300,000 $ 408,750,000 $ 706,300,000