Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income - Change by Component (Details)

v3.19.3
Accumulated Other Comprehensive Income - Change by Component (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ 1,659,560  
Ending balance 1,731,646  
Total    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (39,104) $ 4,311
Other comprehensive loss before reclassifications (3,855) (12,097)
Amounts reclassified from accumulated other comprehensive income 386 145
Net current period other comprehensive loss (3,469) (11,952)
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 1,874  
Ending balance (40,699) (7,641)
Defined benefit and other postretirement plans    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (546) 7,412
Other comprehensive loss before reclassifications (27) 1,360
Amounts reclassified from accumulated other comprehensive income (93) (55)
Net current period other comprehensive loss (120) 1,305
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 1,684  
Ending balance 1,018 8,717
Net gain (loss) from hedging activities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 637 967
Other comprehensive loss before reclassifications (3,163) 2,906
Amounts reclassified from accumulated other comprehensive income 479 200
Net current period other comprehensive loss (2,684) 3,106
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 190  
Ending balance (1,857) 4,073
Foreign currency translation    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (39,195) (4,068)
Other comprehensive loss before reclassifications (665) (16,363)
Amounts reclassified from accumulated other comprehensive income 0 0
Net current period other comprehensive loss (665) (16,363)
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 0  
Ending balance $ (39,860) $ (20,431)