v2.4.0.6
Debt (Details 2) (USD $)
6 Months Ended
Jun. 29, 2012
Dec. 30, 2011
Debt Instruments [Abstract]    
Debt Instrument, Issuance Date March 2007  
Convertible Subordinated Debt $ 197,782,000 $ 197,782,000
Debt Discount Percentage at Issuance 5.00%  
Debt Instrument, Interest Rate, Stated Percentage 2.25%  
Debt Instrument, Frequency of Periodic Payment semi-annually  
Debt Instrument, Maturity Date Jun. 15, 2013  
Debt Instrument, Convertible, Conversion Price $ 34.70  
Debt Instrument, Convertible, Conversion Ratio 28.8219  
Debt Instrument, Face Amount 1,000  
Convertible Subordinated Notes Fair Value 196,000,000  
Debt Instrument, Interest Rate During Period 8.50%  
Debt Instrument, Convertible, Carrying Amount of Equity Component $ 9,700,000  
Closing Stock Price $ 22.71  
Events When Debt Can Be Converted CSN are convertible at the option of the holders at such time as: (i) the closing price of the Company’s common stock exceeds 150% of the conversion price of the notes for 20 out of 30 consecutive trading days; (ii) the trading price per $1,000 of principal is less than 98% of the product of the closing sale price of common stock for each day during any five consecutive trading day period and the conversion rate per $1,000 of principal; (iii) CSN have been called for redemption; (iv) the Company distributes to all holders of common stock rights or warrants entitling them to purchase additional shares of common stock at less than the average closing price of common stock for the ten trading days immediately preceding the announcement of the distribution; (v) the Company distributes to all holders of common stock any form of dividend which has a per share value exceeding 5% of the price of the common stock on the day prior to such date of distribution; (vi) the Company effects a consolidation, merger, share exchange or sale of assets pursuant to which its common stock is converted to cash or other property; (vii) the occurrence of the period beginning 60 days prior to but excluding June 15, 2013; and (viii) certain fundamental changes, as defined in the indenture governing the notes, occur or are approved by the Board of Directors.  
Premium Make Whole Amount 6.3  
Debt Instrument, Call Date, Earliest Jun. 20, 2012