Annual report pursuant to Section 13 and 15(d)

Other Operating Expense, Net (Details)

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Other Operating Expense, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Other Income and Expenses [Abstract]      
Amortization $ 26,923 $ 26,888 $ 27,258
Transaction and other related costs 8,274 407 491
Restructuring, integration and business optimization costs 13,028 2,692 5,819
Net (gain) loss on asset disposals (134) (13,207) 4,190
Insurance recoveries 0 0 (5,480)
Gain on contract termination 0 0 (20,612)
Environmental related costs 1,092 2,522 638
Other, net 1,803 2,076 4,123
Other operating expense, net 50,986 21,378 16,427
Pre-tax gain on sale 4,958    
Equity Method Investment, Realized Gain (Loss) on Disposal $ 672    
Gain on sale of product line   11,518  
Gain on property sale   $ 7,150  
Total gain related to insurance recoveries     (6,450)
Insurance recoveries recorded as gain on asset disposals     207
Insurance recoveries recorded as non-operating income     $ 763