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INTEREST RATE SWAP AGREEMENTS (Tables) | 12 Months Ended
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Dec. 31, 2012
Interest rate swap agreements designated as hedge agreements | Below is a summary of the Company’s interest rate swap agreements, all of which are designated as cash flow hedges, as of December 31, 2012:
Nominal Amount |  | Effective Date |  |  | Pay Rate |  |  | Receive Rate |  |  | Expiration Date |  |  | Current Liability (1) |  |  | Long-Term Liability (2) |  |  | Estimated Total Fair Value at December 31, 2012 |
$175,000 |  |  | December 2010 |  |  |  | 1.3975 | % |  |  | 1-Month LIBOR |  |  |  | September 2015 |  |  | $ | 1,959 |  |  | $ | 2,991 |  |  | $ | 4,950 |
$175,000 |  |  | December 2010 |  |  |  | 1.4000 | % |  |  | 1-Month LIBOR |  |  |  | September 2015 |  |  |  | 1,978 |  |  |  | 3,004 |  |  |  | 4,982 |
$100,000 |  |  | November 2011 |  |  |  | 1.7150 | % |  |  | 1-Month LIBOR |  |  |  | April 2016 |  |  |  | 1,566 |  |  |  | 2,694 |  |  |  | 4,260 |
$450,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 5,503 |  |  | $ | 8,689 |  |  | $ | 14,192 |
(1) | Included in accrued other current liabilities on the consolidated balance sheet as of December 31, 2012.
(2) | Included in other long-term liabilities on the consolidated balance sheet as of December 31, 2012.

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- Definition Tabular disclosure of interest rate derivatives, including, but not limited to, the fair value of the derivatives, statement of financial position location, and statement of financial performance location of these instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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