Derivative Instruments and Hedging Activities Outstanding Commodity Hedge Contracts (Details)	Sep. 30, 2014 T lb	Sep. 30, 2013 lb T
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Pounds of Copper	9,536,000	14,705,000
Metric Tons of Lead	5,200	23,900
Metric Tons of Aluminum	0	2,709
Metric Tons of Tin	2,070	2,052