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Derivative Instruments and Hedging Activities (Details)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 6 Months Ended
Jul. 01, 2011
USD ($)
Jul. 02, 2010
USD ($)
Jul. 01, 2011
USD ($)
Jul. 02, 2010
USD ($)
Dec. 31, 2010
USD ($)
Jul. 01, 2011
Interest Rate Swap One Agreement GBP [Member]
GBP (£)
Jul. 01, 2011
Interest Rate Swap Two Agreement Euro [Member]
EUR (€)
Derivative Instruments And Hedging Activities (Textuals) [Abstract]              
Number of outstanding interest rate swap agreements 2   2        
Notional amount of interest rate swap agreements outstanding           £ 15 € 25
Notional amount of the foreign currency forward contracts outstanding 210.6   210.6   223.0    
Losses on foreign currency forward contract 5.7   3.5        
Gain on foreign currency contracts   4.3   0.8      
Costs associated with hedging programs 0.5 0.5 1.0 1.0      
Gains on foreign denominated accounts hedged 4.2   1.8        
Losses on foreign denominated accounts hedged   $ 2.9   $ 7.7      
Foreign currency-denominated accounts not hedged, Percentage     100.00%        
Time period for company to pay a fixed rate of interest Jul. 01, 2012 Nov. 01, 2011