XML 67 R56.htm IDEA: XBRL DOCUMENT v3.19.1
Fair Value Measurements (Narrative) (Details) - Senior Notes Due 2021 [Member] - USD ($)
$ in Millions
Mar. 30, 2019
Dec. 29, 2018
Jun. 02, 2011
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]      
Stated interest rate     4.75%
Long-term Debt $ 599.6 $ 599.7  
Significant Other Observable Inputs (Level 2)      
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]      
Long-term Debt, Fair Value $ 617.2