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Description of the Business and Summary of Significant Accounting Policies (Intangible Assets) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]      
Intangible Assets, Gross (Excluding Goodwill) $ 569,062 $ 676,186  
Less accumulated amortization 301,555 380,841  
Intangible Assets, Net (Excluding Goodwill), Total 267,507 295,345  
Amortization of intangible assets 27,837 29,232 $ 28,999
Estimated amortization expense      
2023 27,439    
2024 26,701    
2025 24,783    
2026 23,820    
2027 21,837    
Thereafter 142,927    
Total $ 267,507    
Impairment of Long-Lived Tangible and Definite-Lived Intangible Assets      
Asset impairment charges     19,409
Corporate Joint Venture [Member]      
Impairment of Long-Lived Tangible and Definite-Lived Intangible Assets      
Asset impairment charges     19,400
Reduction of net income related to asset impairment     12,000
Noncontrolling Interests | Corporate Joint Venture [Member]      
Impairment of Long-Lived Tangible and Definite-Lived Intangible Assets      
Asset impairment charges     $ 2,400
Weighted average      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 22 years    
Customer, vendor and scrap generator relationships      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross $ 420,512 526,886  
Finite-Lived Intangible Assets, Fully Amortized $ 105,000    
Customer, vendor and scrap generator relationships | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 10 years    
Customer, vendor and scrap generator relationships | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 25 years    
Customer, vendor and scrap generator relationships | Weighted average      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 23 years    
Trade names      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross $ 147,950 147,950  
Trade names | Minimum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 15 years    
Trade names | Maximum      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 25 years    
Trade names | Weighted average      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 19 years    
Other Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross $ 600 $ 1,350  
Useful Life 5 years    
Other Intangible Assets [Member] | Weighted average      
Finite-Lived Intangible Assets [Line Items]      
Useful Life 5 years