Fair Value (Fair Values And Classification Of Financial Assets And Liabilities Measured On A Recurring Basis) (Details) - Level 2 - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value assets	$ 831	$ 646
Interest rate swap, fair value assets	1,543	552
Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value assets	28	50
Interest rate swap, fair value assets	439	314
Total Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total fair value assets	2,841	1,562
Other Accrued Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value liabilities	2,471	1,817
Interest rate swap, fair value liabilities	0	10
Net investment hedge, fair value liabilities	5	0
Other Long-Term Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Foreign currency forwards, fair value liabilities	508	244
Interest rate swap, fair value liabilities	0	15
Total Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Total fair value liabilities	$ 2,984	$ 2,086