Annual report pursuant to Section 13 and 15(d)

Accumulated Other Comprehensive Income (Loss) - Change by Component (Details)

v3.10.0.1
Accumulated Other Comprehensive Income (Loss) - Change by Component (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax      
Beginning balance, value $ 1,631,919 $ 1,027,944 $ 235,293
Amounts reclassified from accumulated other comprehensive income (157) 100  
Total other comprehensive income (loss) (43,344) 56,910 (55,412)
Ending balance, value 1,664,145 1,631,919 1,027,944
Total      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax      
Beginning balance, value 4,311 (53,711) 648
Other comprehensive income (loss) before reclassifications (43,258) 57,922  
Amounts reclassified from accumulated other comprehensive income (157) 100  
Total other comprehensive income (loss) (43,415) 58,022 (54,359)
Ending balance, value (39,104) 4,311 (53,711)
Defined benefit and other postretirement plans      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax      
Beginning balance, value 7,412 7,513  
Other comprehensive income (loss) before reclassifications (7,874) 6  
Amounts reclassified from accumulated other comprehensive income (84) (107)  
Total other comprehensive income (loss) (7,958) (101)  
Ending balance, value (546) 7,412 7,513
Net gain (loss) from hedging activities      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax      
Beginning balance, value 967 4,557  
Other comprehensive income (loss) before reclassifications (257) (3,797)  
Amounts reclassified from accumulated other comprehensive income (73) 207  
Total other comprehensive income (loss) (330) (3,590)  
Ending balance, value 637 967 4,557
Foreign currency translation      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax      
Beginning balance, value (4,068) (65,781)  
Other comprehensive income (loss) before reclassifications (35,127) 61,713  
Amounts reclassified from accumulated other comprehensive income 0 0  
Total other comprehensive income (loss) (35,127) 61,713  
Ending balance, value $ (39,195) $ (4,068) $ (65,781)