Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Reclassifications out of AOCI (Details)

v3.20.4
Stockholders' Equity - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Other expense, net                 $ 6,109 $ 2,372 $ (10,603)
Interest expense, net                 (66,979) (87,072) (90,758)
Cost of goods sold                 (834,007) (901,512) (925,534)
Income before income taxes an noncontrolling interest                 (227,585) 105,430 84,020
Tax benefit (expense)                 48,122 (39,677) (33,641)
Net (loss) income $ (302,896) $ 4,436 $ 16,247 $ 509 $ 27,399 $ 18,751 $ 30,719 $ 3,441 (281,704) 80,310 $ 59,621
Amount of gain (loss) reclassified from AOCI into income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Net (loss) income                 (129) (656)  
Defined benefit and other postretirement plans | Amount of gain (loss) reclassified from AOCI into income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Income before income taxes an noncontrolling interest                 (113) 112  
Tax benefit (expense)                 25 (45)  
Net (loss) income                 (88) 67  
Prior service credit (cost) | Amount of gain (loss) reclassified from AOCI into income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Other expense, net                 119 133  
Actuarial gains (losses) | Amount of gain (loss) reclassified from AOCI into income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Other expense, net                 (232) (21)  
Net gain (loss) from hedging activities | Amount of gain (loss) reclassified from AOCI into income                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Income before income taxes an noncontrolling interest                 (54) (960)  
Tax benefit (expense)                 13 237  
Net (loss) income                 (41) (723)  
Net gain (loss) from hedging activities | Amount of gain (loss) reclassified from AOCI into income | Interest rate caps                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Interest expense, net                 (54) (625)  
Net gain (loss) from hedging activities | Amount of gain (loss) reclassified from AOCI into income | Natural gas swaps                      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                      
Cost of goods sold                 $ 0 $ (335)