|
Debt - Additional Information (Detail) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
bank
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Line of Credit Facility [Line Items] | |||
| Debt outstanding | $ 0us-gaap_LongTermDebt | $ 0us-gaap_LongTermDebt | |
| Number of banks to which the Company is party to a credit agreement | 2wire_NumberOfLenderBanksInCreditAgreement | ||
| Credit agreement expiration date | Oct. 01, 2017 | ||
| Calculated maximum borrowings | 150,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity | ||
| Available increase in borrowings under credit agreement | 100,000,000wire_LineOfCreditAccordionExtensionOption | ||
| Calculated maximum borrowing amount available in current year | 149,500,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity | ||
| Outstanding borrowings | 0us-gaap_LineOfCredit | ||
| Total interest paid | 285,000us-gaap_InterestExpense | 265,000us-gaap_InterestExpense | 313,000us-gaap_InterestExpense |
| Total interest capitalized | $ 0us-gaap_InterestPaidCapitalized | $ 0us-gaap_InterestPaidCapitalized | $ 0us-gaap_InterestPaidCapitalized |
| Minimum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Percentage of commitment fee | 0.15%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
||
| Maximum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Percentage of commitment fee | 0.30%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
||
| Credit Agreement Interest Rate Option One | London Interbank Offered Rate (LIBOR) | Minimum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on variable rate | 0.875%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionOneMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
||
| Credit Agreement Interest Rate Option One | London Interbank Offered Rate (LIBOR) | Maximum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on variable rate | 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionOneMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
||
| Credit Agreement Interest Rate Option Two | Minimum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on base rate | 0.00%wire_DebtInstrumentBasisSpreadOnBaseRate / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionTwoMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
||
| Credit Agreement Interest Rate Option Two | Maximum | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on base rate | 0.25%wire_DebtInstrumentBasisSpreadOnBaseRate / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionTwoMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
||
| Credit Agreement Interest Rate Option Two | Federal Funds Rate | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on variable rate | 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionTwoMember / us-gaap_VariableRateAxis = us-gaap_FederalFundsEffectiveSwapRateMember |
||
| Credit Agreement Interest Rate Option Two | London Interbank Offered Rate (LIBOR) | Credit Agreement | |||
| Line of Credit Facility [Line Items] | |||
| Debt instrument basis spread on variable rate | 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = wire_CreditAgreementMember / us-gaap_FinancialInstrumentAxis = wire_CreditAgreementInterestRateOptionTwoMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |
||
| X | ||||||||||
|
- Definition
Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
|
| X | ||||||||||
|
- Definition
Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of cash paid during the current period for interest that is capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Date the credit facility terminates, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. No definition available.
|
| X | ||||||||||
|
- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Debt instrument basis spread on base rate. No definition available.
|
| X | ||||||||||
|
- Definition
An Accordion, also called an Option, gives the Borrower the right to increase a credit facility up to a certain amount as defined in the credit agreement without getting further approval from existing lenders. The incremental dollars may be provided by the existing Lenders or new Lenders. No definition available.
|
| X | ||||||||||
|
- Definition
Number of lender banks in credit agreement. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|