Retirement and Other Benefit Plans (Schedule Of Funded Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Funded status at end of year	$ (40,000)	$ (30,600)
Accrued benefit cost	(40,000)	(30,600)
Current liability	(200)	(200)
Noncurrent liability	39,842	30,382
Accumulated other comprehensive (income)/loss (before tax effect)	56,000	47,600
Net actuarial loss	56,000	47,600
Accumulated Other Comprehensive (Income)/Loss (before tax effect)	$ 56,000	$ 47,600