Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Fair Value Measurements (Narrative) (Details) - Senior Notes Due 2021 [Member] - USD ($) $ in Millions	Mar. 28, 2020	Dec. 28, 2019	Jun. 02, 2011
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Stated interest rate			4.75%
Long-term Debt	$ 599.8	$ 599.8
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	$ 386.9