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Hedging Transactions and Derivative Financial Instruments (Additional Information) (Details)
$ in Millions
Mar. 31, 2018
Contract
Mar. 31, 2017
USD ($)
Feb. 17, 2017
USD ($)
Bank Term Loan      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Number of derivative contracts related to minimizing risk associated with potential rise in copper prices (contract) | Contract 24    
Third Amended Credit Agreement | Revolving Credit Facility      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Maximum borrowing capacity     $ 450.0
Interest rate swap | Third Amended Credit Agreement | Revolving Credit Facility      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Hedged balance on debt instrument   $ 75.0