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Hedging Transactions and Derivative Financial Instruments (Additional Information) (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2017
USD ($)
Contract
Sep. 30, 2017
USD ($)
Contract
Mar. 31, 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 20 20  
Third Amended Credit Agreement | Revolving Credit Facility      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Maximum borrowing capacity $ 450,000,000.0 $ 450,000,000.0  
Interest rate swap      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Loss on cash flow hedge ineffectiveness $ 100,000 $ 200,000  
Interest rate swap | Third Amended Credit Agreement | Revolving Credit Facility      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Hedged balance on debt instrument     $ 75,000,000