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Fair Value (Details Textual) (USD $)
In Millions, unless otherwise specified
9 Months Ended 9 Months Ended
Aug. 04, 2012
Oct. 29, 2011
Aug. 04, 2012
5.0% Senior unsecured notes due July 1, 2014 [Member]
Aug. 04, 2012
3.0% Senior unsecured notes due April 15, 2016 [Member]
Aug. 04, 2012
Fair Value, Measurements, Recurring [Member]
Oct. 29, 2011
Fair Value, Measurements, Recurring [Member]
Oct. 29, 2011
Fair Value, Measurements, Recurring [Member]
5.0% Senior unsecured notes due July 1, 2014 [Member]
Aug. 04, 2012
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member]
5.0% Senior unsecured notes due July 1, 2014 [Member]
Jun. 30, 2009
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member]
5.0% Senior unsecured notes due July 1, 2014 [Member]
Aug. 04, 2012
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member]
3.0% Senior unsecured notes due April 15, 2016 [Member]
Oct. 29, 2011
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member]
3.0% Senior unsecured notes due April 15, 2016 [Member]
Apr. 30, 2011
Financial Instruments Not Recorded at Fair Value on a Recurring Basis [Member]
3.0% Senior unsecured notes due April 15, 2016 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Amortized cost of the Company's investments classified as available for sale         $ 3,242.5 $ 2,284.9            
Derivative contracts in asset position netted against contract in liability position         1.1 0.8            
Fair value of the long-term debt             413.4 405.7   403.9 392.8  
Aggregate principal amount of debt             375.0   375.0     375.0
Interest rate to be paid on long term notes             5.00% 5.00%   3.00%    
Debt Instrument, Frequency of Periodic Payment     semi-annual fixed interest payments due on January 1 and July 1 of each year, commencing January 1, 2010 semi-annual fixed interest payments due on April 15 and October 15 of each year, commencing October 15, 2011                
Debt Instrument, Maturity Date     Jul. 01, 2014 Apr. 15, 2016       Jul. 01, 2014        
Fair Value (Textual) [Abstract]                        
Cash and held to maturity investments $ 154.5 $ 31.6