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Other Current Liabilities
 6 Months Ended
Mar. 31, 2017
Other Liabilities Disclosure [Abstract]  
Other Current Liabilities
Other Current Liabilities
Other current liabilities consist of (in millions):
 
March 31,
2017
 
September 30,
2016
Unrealized losses on foreign exchange contracts
$
16.1

 
$
15.6

Product warranty obligations
26.6

 
28.0

Taxes other than income taxes
44.0

 
43.1

Accrued interest
16.9

 
16.9

Income taxes payable
49.6

 
28.6

Rocky Flats settlement (Note 14)
—

 
242.5

Other
61.7

 
72.9

Other current liabilities
$
214.9

 
$
447.6