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Fair Value Measurements
6 Months Ended
Jul. 01, 2011
Fair Value Measurements [Abstract]  
FAIR VALUE MEASUREMENTS
NOTE 7. FAIR VALUE MEASUREMENTS
     The fair value of the Company’s debt instruments is measured using observable market information which would be considered Level 2 in the fair value hierarchy described in accounting guidance on fair value measurements.
     The Company’s fixed-rate debt primarily consists of nonconvertible and convertible debt as follows:
    Nonconvertible fixed-rate debt consisting of the Company’s $200.0 million 5.95% Senior Notes due 2015 (“Notes due 2015”) and Notes due 2014.
 
    Convertible fixed-rate debt consisting of the Company’s Notes due 2013 and Notes due 2033.
     At July 1, 2011, the Company’s carrying value of its fixed-rate debt was $514.7 million as compared to $543.6 million at December 31, 2010. The estimated fair market value of the Company’s fixed-rate debt at July 1, 2011 and December 31, 2010 was $617.7 million and $672.8 million, respectively. The decline in the carrying value and estimated fair market value is due to the retirement of a portion of the Notes due 2033 during the first half of 2011. As of July 1, 2011 and December 31, 2010, the Company’s carrying value of its variable-rate debt was $449.5 million and $348.8 million, respectively, which approximates the estimated fair market value.
     The fair value of the interest rate swaps is determined by means of a mathematical model that calculates the present value of the anticipated cash flows from the transaction using mid-market prices and other economic data and assumptions, or by means of pricing indications from one or more other dealers selected at the discretion of the respective banks. These inputs would be considered Level 2 in the fair value hierarchy described in accounting guidance on fair value measurements. At July 1, 2011 and December 31, 2010, interest rate swaps were revalued at current interest rates with the changes in valuation reflected directly in “Accumulated Other Comprehensive Income (Loss)” in the Company’s Condensed Consolidated Balance Sheets. The fair market value of the Company’s outstanding interest rate agreements, which is the estimated exit price that the Company would pay to cancel the interest rate agreements, was not significant at July 1, 2011 or December 31, 2010.
     The fair value of the Company’s foreign currency forward contracts was not significant at July 1, 2011 or December 31, 2010. The fair value of the foreign currency forward contracts is based on the difference between the contract rate and the current exchange rate. The fair value of the foreign currency forward contracts is measured using observable market information. These inputs would be considered Level 2 in the fair value hierarchy.