Hedging Transactions and Derivative Financial Instruments (Additional Information) (Details) |
Jun. 30, 2019
Contract
|
Dec. 31, 2017
USD ($)
|
Mar. 31, 2017
USD ($)
|
---|---|---|---|
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 | 26 | ||
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 | Third Amended Credit Agreement | Revolving Credit Facility | |||
Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
Hedged balance on debt instrument | $ 75,000,000.0 |