Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income - Change by Component (Details)

v3.19.2
Accumulated Other Comprehensive Income - Change by Component (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance $ 1,659,560  
Ending balance 1,714,033  
Total    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (39,104) $ 4,311
Other comprehensive income (loss) before reclassifications 9,938 (16,582)
Amounts reclassified from accumulated other comprehensive income 79 93
Net current period other comprehensive income (loss) 10,017 (16,489)
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 1,874  
Ending balance (27,213) (12,178)
Defined benefit and other postretirement plans    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (546) 7,412
Other comprehensive income (loss) before reclassifications 2 1,387
Amounts reclassified from accumulated other comprehensive income (63) (30)
Net current period other comprehensive income (loss) (61) 1,357
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 1,684  
Ending balance 1,077 8,769
Net gain (loss) from hedging activities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance 637 967
Other comprehensive income (loss) before reclassifications (2,861) 2,613
Amounts reclassified from accumulated other comprehensive income 142 123
Net current period other comprehensive income (loss) (2,719) 2,736
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 190  
Ending balance (1,892) 3,703
Foreign currency translation    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning balance (39,195) (4,068)
Other comprehensive income (loss) before reclassifications 12,797 (20,582)
Amounts reclassified from accumulated other comprehensive income 0 0
Net current period other comprehensive income (loss) 12,797 (20,582)
Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings 0  
Ending balance $ (26,398) $ (24,650)