DEBT

Outstanding debt balances were as follows:



	December 31,
	2011		2010
Notes payable – current:
Uncommitted lines of credit	$	21,572	$	15,038
Other	150		—
	$	21,722	$	15,038
Long-term debt:
Credit facility	$	291,000	$	235,000
Senior notes	300,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	3,254		3,468
	$	606,154	$	550,368

As of December 31, 2011, the Company had various international short-term uncommitted lines of credit with borrowing limits of $101,530. The weighted-average interest rate on outstanding borrowings on the short-term uncommitted lines of credit as of December 31, 2011 and 2010 was 4.23 percent and 3.01 percent, respectively. Short-term uncommitted lines mature in less than one year. The amount available under the short-term uncommitted lines at December 31, 2011 was $79,958.

In June 2011, the Company entered into a new five-year credit facility, which replaced its previous three-year credit facility. The Company used borrowings of approximately $330,000 under the new credit facility to repay all amounts outstanding under (and terminated) the previous credit facility. As of December 31, 2011, the Company had borrowing limits under the new credit facility totaling $500,000. Under the terms of the credit facility agreement, the Company has the ability, subject to various approvals, to increase the borrowing limits by $250,000. Up to $50,000 of the revolving credit facility is available under a swing line subfacility. The weighted-average interest rate on outstanding credit facility borrowings as of December 31, 2011 and 2010 was 1.49 percent and 2.71 percent, respectively, which is variable based on the London Interbank Offered Rate (LIBOR). The amount available under the new credit facility as of December 31, 2011 was $209,000. The Company incurred $1,876 of fees to its creditors in conjunction with the new credit facility, which will be amortized as a component of interest expense over the term of the facility.

In March 2006, the Company issued senior notes in an aggregate principal amount of $300,000 with a weighted-average fixed interest rate of 5.50 percent. The maturity dates of the senior notes are staggered, with $75,000, $175,000 and $50,000 becoming due in 2013, 2016 and 2018, respectively. Additionally, the Company entered into a pre-issuance cash flow hedge to offset interest rate risk on $200,000 of the senior notes, which reduced the effective interest rate by 14 basis points from 5.50 to 5.36 percent.

Maturities of debt as of December 31, 2011 are as follows: $21,722 in 2012, $76,054 in 2013, $713 in 2014, $630 in 2015, $466,717 in 2016 and $62,040 thereafter. Interest expense on the Company’s debt instruments for the years ended December 31, 2011, 2010 and 2009 was $26,002, $27,520 and $23,796, respectively.

In 1997, industrial development revenue bonds were issued on behalf of the Company. The proceeds from the bond issuances were used to construct new manufacturing facilities in the United States. The Company guaranteed the payments of principal and interest on the bonds by obtaining letters of credit. The bonds were issued with a 20-year original term and are scheduled to mature in 2017. Each industrial development revenue bond carries a variable interest rate, which is reset weekly by the remarketing agents. The weighted-average interest rate on the bonds was 0.77 percent and 0.57 percent as of December 31, 2011 and 2010, respectively. Interest expense on the bonds for the years ended December 31, 2011, 2010 and 2009 was $88, $72 and $122, respectively.

The Company’s financing agreements contain various restrictive financial covenants, including net debt to capitalization and net interest coverage ratios. As of December 31, 2011, the Company was in compliance with the financial covenants in its debt agreements.