Refer to Note E, "Debt," to our Unaudited Condensed Consolidated Financial Statements for further discussion.
January 10, 2012, we amended our November 18, 2010unsecured revolving credit facility. This amendment provided for an increase in the revolving credit facility to $200 millionand increased the accordion feature, whereby we can expand the facility to $300 million, subject to participating banks' approval. In addition to changes to certain covenants, the amendment reduced the applicable margin by 25 basis points, increased the total consideration we may pay for non-U.S. based acquisitions, and extended the term of the credit facility through January 10, 2017. 31
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Long-term debt was comprised of the following:
September 29, December 31, ($ in thousands) 2013 2012 Revolving credit facility, weighted-average interest rate of 1.9% (2013), and 1.8% (2012) due in 2017
$128.6 millionoutstanding under the $200 millionrevolving credit facility at September 29, 2013, and $153.5 millionat December 31, 2012. We had $68.8 millionavailable under the $200 millioncredit facility, net of standby letters of credit of $2.6 millionat September 29, 2013, and $43.9 million, net of standby letters of credit of $2.6 millionat December 31, 2012. Interest rates on the revolving credit facility fluctuate based upon London InterbankOffered Rate and our quarterly total leverage ratio. We pay a commitment fee on the undrawn portion of the revolving credit facility. The commitment fee varies based on the quarterly leverage ratio and was 0.30 percent and 0.30 percent per annum at September 29, 2013and September 30, 2012, respectively. The revolving credit facility requires, among other things, that we comply with a maximum total leverage ratio and a minimum fixed charge coverage ratio. Our failure to comply with these covenants could reduce the borrowing availability under the revolving credit facility. We were in compliance with all debt covenants at September 29, 2013. The revolving credit facility requires us to deliver quarterly financial statements, annual financial statements, auditors certifications and compliance certificates within a specified number of days after the end of a quarter and year. Additionally, the revolving facility contains restrictions limiting our ability to: dispose of assets; incur certain additional debt; repay other debt or amend subordinated debt instruments; create liens on assets; make investments, loans or advances; make acquisitions or engage in mergers or consolidations; engage in certain transactions with our subsidiaries and affiliates; and make stock repurchases and dividend payments. We use interest rate swaps to convert the line of credit's variable rate of interest into a fixed rate. In the second quarter of 2012, we entered into four separate interest rate swap agreements to fix interest rates on $50 millionof long-term debt for the periods January 2013to January 2017. In the third quarter of 2012, we entered into four separate interest rate swap agreements to fix interest rates on $25 millionof long-term debt for the periods January 2013to January 2017. The difference to be paid or received under the terms of the swap agreements will be recognized as an adjustment to interest expense for the related line of credit when settled.