Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income - Pre-tax and After-tax Components of Other Comprehensive Income (Loss) (Details)

v3.10.0.1
Accumulated Other Comprehensive Income - Pre-tax and After-tax Components of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
After-tax amount        
Pre-tax amount $ (27,377) $ 28,553 $ (14,375) $ 42,744
Tax benefit/(expense) (188) (3,526) (2,354) (4,330)
Total other comprehensive income (loss) (27,565) 25,027 (16,729) 38,414
Defined benefit and other postretirement plans:        
After-tax amount        
Pre-tax amount 1,833 (34) 1,809 (228)
Tax benefit/(expense) (458) 12 (452) 25
Total other comprehensive income (loss) 1,375 (22) 1,357 (203)
Net gain (loss) from hedging activities        
After-tax amount        
Pre-tax amount 737 (2,025) 3,649 (4,887)
Tax benefit/(expense) (184) 769 (913) 1,862
Total other comprehensive income (loss) 553 (1,256) 2,736 (3,025)
Foreign currency translation        
After-tax amount        
Pre-tax amount (29,947) 30,612 (19,833) 47,859
Tax benefit/(expense) 454 (4,307) (989) (6,217)
Total other comprehensive income (loss) $ (29,493) $ 26,305 $ (20,822) $ 41,642