CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (11,879)	$ (48,818)	$ 488,227	$ (83,881)
Other comprehensive income (loss), net of income taxes:
Unrealized appreciation (depreciation) on securities, net of income taxes of ($3.4) million and ($3.6) million at March 31, 2018 and ($6.6) million and $1.2 million at March 31, 2017 .2) million at March 31, 2017	(7,568)	(10,507)	(8,169)	1,905
Minimum pension liability adjustments, net of income taxes of $0.2 million and $0.3 million at March 31, 2018 and $0.2 million and $0.4 million at March 31, 2017	308	366	648	732
Other comprehensive income (loss)	(7,260)	(10,141)	(7,521)	2,637
Comprehensive income (loss)	$ (19,139)	$ (58,959)	$ 480,706	$ (81,244)