DEBT

Long-term debt consisted of the following:



In thousands
	March 31, 2013		December 31, 2012
Obligations under capital leases	$	4,299	$	5,234
$1 billion revolver weighted average rate 1.53%, due in 2016	175,977		225,931
$100 million Private Placement notes 5.64%, due in 2015	100,000		100,000
$175 million Private Placement notes 3.89%, due in 2017	175,000		175,000
$125 million Private Placement notes 2.68%, due in 2019	125,000		125,000
$225 million Private Placement notes 4.47%, due in 2020	225,000		225,000
$125 million Private Placement notes 3.26%, due in 2022	125,000		125,000
Acquisition notes weighted average rate of 2.58% and weighted average maturity of 3.6 years	239,396		235,856
Foreign bank debt weighted average rate 4.93% and weighted average maturity of 1.7 years	103,028		139,063
Total debt	1,272,700		1,356,084
Less: current portion of total debt	79,589		87,781
Long-term portion of total debt	$	1,193,111	$	1,268,303

Our $1.0 billion senior credit facility maturing in September 2016, our $100.0 million private placement notes maturing April 2015, our $175.0 million private placement notes maturing in October 2017, our $125.0 million private placement notes maturing in December 2019, our $225.0 million private placement notes maturing in October 2020, and our $125.0 million private placement notes maturing in December 2022, all require us to comply with various financial, reporting and other covenants and restrictions, including a restriction on dividend payments. The financial debt covenants are the same for the senior credit facility and the private placement notes. At March 31, 2013, we were in compliance with all of our financial debt covenants.

As of March 31, 2013 and December 31, 2012, we had $149.0 million and $157.6 million, respectively, committed to outstanding letters of credit under our senior credit facility. The unused portion of the revolving credit facility as of March 31, 2013 and December 31, 2012 was $675.0 million and $616.5 million, respectively.

Guarantees

We have guaranteed a loan to JPMorganChase Bank N.A. on behalf of Shiraishi-Sogyo Co. Ltd (“Shiraishi”). Shiraishi is a customer in Japan that is expanding its medical waste management business and has a loan with a current balance of $5.2 million with JPMorganChase Bank N.A. that matures in May 31, 2014. We also have extended loans to Shiraishi for approximately $15.5 million, reflected in the Consolidated Balance Sheet as part of long term "Other assets", in support of its medical waste business. There is a collateral agreement in place on the assets of Shiraishi and related companies in support of amounts owed.