Borrowings	12 Months Ended
Dec. 31, 2017
Borrowings [Abstract]
Borrowings	Note 11 Borrowings Credit Facility On October 10, 2014, the Company and certain of its subsidiaries entered into a $150,000 five-year revolving, unsecured credit facility (the “Credit Agreement”) with PNC Bank, National Association, as Administrative Agent, PNC Capital Markets LLC, as Sole Lead Arranger and Sole Bookrunner, HSBC Bank USA, N.A., as Syndication Agent, and the other lenders party thereto (collectively, the “Lenders”). The Credit Agreement comprises a revolving loan facility that provides for advances in the initial aggregate principal amount of up to $150,000 (the “Credit Facility”). Subject to certain terms and conditions contained in the Credit Agreement, the Company may, at its option, request an increase in the aggregate principal amount available under the Credit Facility by an additional $75,000. The Credit Agreement includes provisions for the issuance of letters of credit and swingline loans. The Credit Agreement is guaranteed by certain of the Company’s material domestic subsidiaries (the “Guarantors”). From time to time, the Company may be required to cause additional material domestic subsidiaries to become Guarantors under the Credit Agreement. The Credit Facility contains customary covenants, some of which require the Company to maintain certain financial ratios that determine the amounts available and terms of borrowings and events of default. The Company was in compliance with all covenants at both December 31, 2017 and December 31, 2016. The payment of dividends on the Company’s common stock is restricted under provisions of the Credit Facility, which limits the amount of cash dividends that the Company may pay in any one fiscal year to $30,000. The Company currently does not pay, and has not paid, any dividends on its common stock, and currently intends to retain any future earnings for use in its business. There was no outstanding balance on the Credit Facility as of December 31, 2017 or 2016. Interest Income and Expense Interest income totaled $784, $807 and $521 for the years ended December 31, 2017, 2016 and 2015, respectively. Interest expense totaled $919, $1,282 and $2,011 for the years ended December 31, 2017, 2016 and 2015, respectively.

Note 11 Borrowings

Credit Facility

On October 10, 2014, the Company and certain of its subsidiaries entered into a $150,000 five-year revolving, unsecured credit facility (the “Credit Agreement”) with PNC Bank, National Association, as Administrative Agent, PNC Capital Markets LLC, as Sole Lead Arranger and Sole Bookrunner, HSBC Bank USA, N.A., as Syndication Agent, and the other lenders party thereto (collectively, the “Lenders”). The Credit Agreement comprises a revolving loan facility that provides for advances in the initial aggregate principal amount of up to $150,000 (the “Credit Facility”). Subject to certain terms and conditions contained in the Credit Agreement, the Company may, at its option, request an increase in the aggregate principal amount available under the Credit Facility by an additional $75,000. The Credit Agreement includes provisions for the issuance of letters of credit and swingline loans.

The Credit Agreement is guaranteed by certain of the Company’s material domestic subsidiaries (the “Guarantors”). From time to time, the Company may be required to cause additional material domestic subsidiaries to become Guarantors under the Credit Agreement.

The Credit Facility contains customary covenants, some of which require the Company to maintain certain financial ratios that determine the amounts available and terms of borrowings and events of default. The Company was in compliance with all covenants at both December 31, 2017 and December 31, 2016.

The payment of dividends on the Company’s common stock is restricted under provisions of the Credit Facility, which limits the amount of cash dividends that the Company may pay in any one fiscal year to $30,000. The Company currently does not pay, and has not paid, any dividends on its common stock, and currently intends to retain any future earnings for use in its business.

There was no outstanding balance on the Credit Facility as of December 31, 2017 or 2016.

Interest Income and Expense

Interest income totaled $784, $807 and $521 for the years ended December 31, 2017, 2016 and 2015, respectively.

Interest expense totaled $919, $1,282 and $2,011 for the years ended December 31, 2017, 2016 and 2015, respectively.