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Significant Accounting Policies Changes in Accumulated Other Comprehensive (Tables)
 3 Months Ended
Dec. 31, 2013
Changes AOCI [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
 
 
 
 
 
 
 
 
 
Postretirement
 
Derivative
 
 
 
 
Benefit Plans
 
Instruments
 
Total
Balance, September 30, 2013
 
$
(5,283
)
 
$
(3,437
)
 
$
(8,720
)
Reclassification of benefit plan actuarial losses and prior service cost
 
98

 
—

 
98

Reclassifications of net losses on interest rate protection agreements
 
—

 
391

 
391

 
 
 
 
 
 
 
Balance, December 31, 2013
 
$
(5,185
)
 
$
(3,046
)
 
$
(8,231
)