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Interest Rate Swap Agreements
9 Months Ended
Sep. 30, 2011
Interest Rate Swap Agreements [Abstract] 
Interest Rate Swap Agreements
12. Interest Rate Swap Agreements
     The Company is currently a party to five interest rate swap agreements that qualify for cash flow hedge accounting. No premium or discount was incurred upon the Company entering into any of its interest rate swap agreements because the pay rates and receive rates on the interest rate swap agreements represented prevailing rates for each counterparty at the time each of the interest rate swap agreements was consummated. The fair values of the interest rate swaps are recorded on the Company’s consolidated balance sheet as an asset or liability with the effective portion of the interest rate swaps’ gains or losses reported as a component of accumulated other comprehensive income (loss) and the ineffective portion reported in earnings.
     The valuation technique used to determine fair value is the income approach and under this approach, the Company uses projected future interest rates as provided by counterparties to the interest rate swap agreements and the fixed rates that the Company is obligated to pay under these agreements. Therefore, the Company’s measurements use significant unobservable inputs, which fall in Level 3 of the U.S. GAAP hierarchy as defined by FASB ASC Topic 820-10-35. There were no changes in valuation techniques during the period and no transfers in or out of Level 3. See Note 15 for a summary of unrealized gains or losses recorded in accumulated other comprehensive income (loss) and earnings.
     Below is a summary of the Company’s current interest rate swap agreements designated as hedge agreements as of September 30, 2011:
                                                         
                                                    Estimated  
Amount Designated                                 Current Liability     Long-Term Liability     Total Fair Value at  
as a Hedge     Effective Date   Pay Rate     Receive Rate     Expiration Date     (1)     (2)     September 30, 2011  
$ 106,632 (3)  
August 2007
    4.9220 %   3-Month LIBOR   August 2012 $ 4,864     $ —     $ 4,864  
$ 149,285 (4)  
November 2008
    3.6300 %   1-Month LIBOR     (5)       2,792       401       3,193  
$ 175,000    
December 2010
    1.4000 %   1-Month LIBOR   September 2015     1,713       1,798       3,511  
$ 175,000    
December 2010
    1.3975 %   1-Month LIBOR   September 2015     1,709       1,865       3,574  
$ 100,000    
November 2011
    1.7150 %   1-Month LIBOR   April 2016     1,248       1,616       2,864  
                                   
$ 705,917    
 
                          $ 12,326     $ 5,680     $ 18,006  
                                   
 
(1)   Included in accounts payable and accrued expenses on the condensed consolidated balance sheet as of September 30, 2011.
 
(2)   Included in other long-term liabilities on the condensed consolidated balance sheet as of September 30, 2011.
 
(3)   An additional $18,368 of this original $125,000 swap is no longer designated as a hedge as a result of the prepayment of the unextended portion of the Company’s term loan debt.
 
(4)   An additional $25,715 of this original $175,000 swap is no longer designated as a hedge as a result of the prepayment of the unextended portion of the Company’s term loan debt. Approximately $14,690 of this additional amount expires November 2011 and $11,025 expires November 2012.
 
(5)   $85,310 of this swap expires November 2011 and $63,975 expires November 2012.
     During June 2011, the Company prepaid the remaining unextended portion of its term loan debt under its senior secured credit facility (see Note 4). As a result, the Company determined that a portion of the quarterly interest payments hedged by two of its current interest rate swap agreements and the quarterly interest payments related to its previously terminated interest rate swap agreement were probable not to occur and therefore reclassified approximately $2,760 of its accumulated other comprehensive loss related to these cash flow hedges to earnings, as a component of loss on early retirement of debt, during the nine months ended September 30, 2011.
     The Company amortized approximately $3,248 and $3,475 to interest expense during the nine months ended September 30, 2011 and 2010, respectively, related to a previously terminated interest rate swap agreement. The Company will amortize approximately $3,953 to interest expense for this terminated interest rate swap agreement over the next twelve months. See Note 15 for additional information about the Company’s fair value measurements related to its interest rate swap agreements.