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Business and Summary of Significant Accounting Policies (Accounting Pronouncements) (Details) - USD ($)
$ in Thousands
Apr. 02, 2019
Jan. 01, 2018
Accounting Policies [Line Items]    
Cumulative catch-up adjustment   $ (1,506)
Scenario, Forecast | Accounting Standards Update 2016-02    
Accounting Policies [Line Items]    
Operating lease, liability $ 262,000  
Minimum | Scenario, Forecast | Accounting Standards Update 2016-02    
Accounting Policies [Line Items]    
Right-of-use asset 198,000  
Maximum | Scenario, Forecast | Accounting Standards Update 2016-02    
Accounting Policies [Line Items]    
Right-of-use asset $ 228,000