Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details)

v3.19.2
Accumulated Other Comprehensive Income - Reclassifications out of AOCI (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Jun. 30, 2019
Jun. 30, 2018
Derivatives                
Interest expense $ 10,508     $ 9,719     $ 31,068 $ 26,782
Income before income tax 18,413     28,657     37,031 58,872
Income taxes (3,989)     (4,312)     (4,429) 18,703
Net income 14,424 $ 15,194 $ 2,984 24,345 $ 18,072 $ 35,158 32,602 77,575
Prior service (cost) credit                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Income before income tax 95     84     285 252
Actuarial losses                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Income before income tax (1,066)     (1,753)     (3,197) (5,257)
Post-retirement benefit plans                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Income before income tax (971)     (1,669)     (2,912) (5,005)
Net income (705)     (1,256)     (2,168) (3,296)
Derivatives                
Income taxes (266)     (413)     (744) (1,709)
Derivatives                
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                
Net income 660     399     1,879 570
Derivatives | Reclassification out of Accumulated Other Comprehensive Income                
Derivatives                
Income before income tax 874     490     2,489 755
Income taxes (214)     (91)     (610) (185)
Net income 660     399     1,879 570
Derivatives | Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income                
Derivatives                
Interest expense $ 874     $ 490     $ 2,489 $ 755