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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 01, 2019
Nov. 30, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     $ 579,592 $ 563,745  
Less accumulated depreciation and amortization     346,594 318,388  
Property Plant and Equipment Excluding Capital Projects in Progress     232,998 245,357  
Capital projects in progress     16,014 9,240  
Property, plant and equipment, net     249,012 254,597  
Fully Depreciated Property, Plant and Equipment, Original Cost     211,200 196,800  
Proceeds from Sale of Property Held-for-sale   $ 17,500      
Proceeds from Sale of Real Estate $ 9,500        
Gains (Losses) on Sales of Other Real Estate $ 5,600        
Depreciation     32,600 33,300 $ 21,600
Software Development [Member]          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     28,600 26,400  
Capital projects in progress     3,200 3,600  
Land [Member]          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     28,092 30,034  
Buildings and site improvements          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     195,210 198,809  
Leasehold Improvements [Member]          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     4,911 4,826  
Machinery and equipment          
Property, Plant and Equipment [Line Items]          
Property, Plant and Equipment, Gross     $ 351,379 $ 330,076