Encore Wire Corporation 401(k) Profit Sharing Plan	12 Months Ended
Dec. 31, 2014
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Encore Wire Corporation 401(k) Profit Sharing Plan	Encore Wire Corporation 401(k) Profit Sharing Plan The Company sponsors a tax qualified 401(k) profit sharing plan known as the Encore Wire Corporation 401(k) Profit Sharing Plan (the “401(k) Plan”) that is intended to provide participating employees an opportunity to save money for retirement. Effective January 1, 2015, employees are immediately eligible to participate in the 401(k) Plan and to receive matching contributions after attaining age 18. Employees who do not take action to either enroll or decline to enroll in the 401(k) Plan within a 30 day notification period, are automatically enrolled in the Plan with a pre-tax contribution rate equal to 5% of their eligible compensation (as defined in the 401(k) Plan). Prior to January 1, 2015, the 401(k) Plan did not provide for automatic enrollment, and employees were eligible to participate in the 401(k) Plan and to receive matching contributions after attaining age 21 and completing one year of service (as defined in the 401(k) Plan). Eligible employees may elect to contribute between 1% and 50% of eligible compensation to the 401(k) Plan on a pre-tax basis, up to IRS limits. These employee contributions are called elective deferral contributions. The Company matches a portion of the elective deferral contributions made to the 401(k) Plan by eligible employees. The 401(k) Plan provides for a safe-harbor matching contribution equal to 100% of the first 3% of an employee’s eligible compensation contributed to the 401(k) Plan and 50% of the next 2% of eligible compensation contributed by such employee to the 401(k) Plan for the year. Employer safe harbor matching contributions made to the 401(k) Plan for eligible participants are 100% vested. The Company’s matching contributions were $0.9 million, $0.9 million and $0.7 million in years 2014, 2013 and 2012, respectively. At the discretion of its Board of Directors, the Company may, but is not required to, make profit-sharing contributions to the 401(k) Plan on behalf of its employees. The Company made no profit-sharing contributions for 2014, 2013 or 2012. Effective January 1, 2015, any profit-sharing contributions that are made to the 401(k) Plan will be 100% vested. Participants are permitted to choose how contributions made to the 401(k) Plan by or for them are invested. If a participant does not make an investment election, the contributions will be invested in the moderate risk tolerance based balanced portfolio which serves as the 401(k) Plan's qualified default investment alternative.

Encore Wire Corporation 401(k) Profit Sharing Plan

The Company sponsors a tax qualified 401(k) profit sharing plan known as the Encore Wire Corporation 401(k) Profit Sharing Plan (the “401(k) Plan”) that is intended to provide participating employees an opportunity to save money for retirement. Effective January 1, 2015, employees are immediately eligible to participate in the 401(k) Plan and to receive matching contributions after attaining age 18. Employees who do not take action to either enroll or decline to enroll in the 401(k) Plan within a 30 day notification period, are automatically enrolled in the Plan with a pre-tax contribution rate equal to 5% of their eligible compensation (as defined in the 401(k) Plan). Prior to January 1, 2015, the 401(k) Plan did not provide for automatic enrollment, and employees were eligible to participate in the 401(k) Plan and to receive matching contributions after attaining age 21 and completing one year of service (as defined in the 401(k) Plan).

Eligible employees may elect to contribute between 1% and 50% of eligible compensation to the 401(k) Plan on a pre-tax basis, up to IRS limits. These employee contributions are called elective deferral contributions. The Company matches a portion of the elective deferral contributions made to the 401(k) Plan by eligible employees. The 401(k) Plan provides for a safe-harbor matching contribution equal to 100% of the first 3% of an employee’s eligible compensation contributed to the 401(k) Plan and 50% of the next 2% of eligible compensation contributed by such employee to the 401(k) Plan for the year. Employer safe harbor matching contributions made to the 401(k) Plan for eligible participants are 100% vested.

The Company’s matching contributions were $0.9 million, $0.9 million and $0.7 million in years 2014, 2013 and 2012, respectively.

At the discretion of its Board of Directors, the Company may, but is not required to, make profit-sharing contributions to the 401(k) Plan on behalf of its employees. The Company made no profit-sharing contributions for 2014, 2013 or 2012. Effective January 1, 2015, any profit-sharing contributions that are made to the 401(k) Plan will be 100% vested.

Participants are permitted to choose how contributions made to the 401(k) Plan by or for them are invested. If a participant does not make an investment election, the contributions will be invested in the moderate risk tolerance based balanced portfolio which serves as the 401(k) Plan's qualified default investment alternative.