Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Schedule Of Long-Term Debt Notes) (Details)

v2.4.0.6
Long-Term Debt (Schedule Of Long-Term Debt Notes) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Line of Credit Facility [Line Items]    
Total long-term debt, Total $ 1,834,525 $ 938,619
Other long-term debt 10,702 10,867
Capital leases 32,231 34,803
Less current portion 2,744 2,737
Long-term debt, due beyond one year 1,831,781 935,882
Floating Rate Notes, Due 2013 [Member]
   
Line of Credit Facility [Line Items]    
Total long-term debt, Total 400,000  
5.95% Notes, Due 2017 [Member]
   
Line of Credit Facility [Line Items]    
Total long-term debt, Total 250,000 250,000
Notes, stated percentage 5.95%  
Maturity date, notes 2017  
3.50% Notes, Due 2021
   
Line of Credit Facility [Line Items]    
Total long-term debt, Total 498,496  
Notes, stated percentage 3.50%  
Maturity date, notes 2021  
6.00% Notes, Due 2033 [Member]
   
Line of Credit Facility [Line Items]    
Total long-term debt, Total 293,096 292,949
Notes, stated percentage 6.00%  
Maturity date, notes 2033  
6.45% Notes, Due 2037 [Member]
   
Line of Credit Facility [Line Items]    
Total long-term debt, Total $ 350,000 $ 350,000
Notes, stated percentage 6.45%  
Maturity date, notes 2037