Hedging Transactions and Derivative Financial Instruments (Notional Values of Derivative Instruments) (Details)
Mar. 31, 2015
Copper, April 2015 - June 2015 [Member]
Mar. 31, 2015
Copper July 2015 - September 2015 [Member]
Mar. 31, 2015
Copper, October 2015 - December 2015 [Member]
Mar. 31, 2015
Copper, January 2016 - March 2016 [Member]
Mar. 31, 2015
Copper, April 2016 - June 2016 [Member]
Mar. 31, 2015
Copper, July 2016 - September 2016 [Member]
Mar. 31, 2015
CNY/EUR Notional Amount of Foreign Currency Derivatives [Member]
CNY
Mar. 31, 2015
USD/EUR Notional Amount of Foreign Currency Derivatives [Member]
USD ($)
Mar. 31, 2015
EUR/USD Notional Amount of Foreign Currency Derivatives [Member]
EUR (€)
Mar. 31, 2015
JPY/USD Notional Amount of Foreign Currency Derivatives [Member]
JPY (¥)
Mar. 31, 2015
HUF/EUR Notional Amount of Foreign Currency Derivatives [Member]
HUF
Mar. 31, 2015
JPY/EUR Notional Amount of Foreign Currency Derivatives [Member]
JPY (¥)
Mar. 31, 2015
CNY/USD Notional Amount of Foreign Currency Derivatives [Member]
CNY
Derivative [Line Items]                          
Notional Value of Copper Derivatives 150 135 123 100 50 20              
Notional Amount of Foreign Currency Derivatives             683,664 $ 3,000,000 € 10,062,000 ¥ 160,000,000 30,000,000 ¥ 180,000,000 141,000,000