Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Sep. 29, 2012
Dec. 31, 2011
Jul. 02, 2011
Fair Value, Measurements, Recurring [Member]
      
Assets:      
Cash equivalents $ 166.7 $ 135.2  
Short-term investments in marketable securities 97.5 76.7  
Long-term investments in marketable securities 47.6 92.9  
Restricted cash 20.0 20.0  
Equity investments 0.9 0.7  
Derivatives 1.5 3.9  
Total assets 334.2 329.4  
Liabilities:      
Derivatives 10.0 8.0  
Total liabilities 10.0 8.0  
Fair Value, Measurements, Nonrecurring [Member]
      
Assets Measured at fair value on a non-recurring basis [Abstract]      
Assets measured at fair value on a nonrecurring basis 28.3    
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
      
Assets:      
Cash equivalents 166.7 135.2  
Short-term investments in marketable securities 0.8 5.5  
Long-term investments in marketable securities 47.6 92.9  
Restricted cash 20.0 20.0  
Equity investments 0.9 0.7  
Derivatives 0 0  
Total assets 236.0 254.3  
Liabilities:      
Derivatives 0 0  
Total liabilities 0 0  
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
      
Assets:      
Cash equivalents 0 0  
Short-term investments in marketable securities 96.7 71.2  
Long-term investments in marketable securities 0 0  
Restricted cash 0 0  
Equity investments 0 0  
Derivatives 1.5 3.9  
Total assets 98.2 75.1  
Liabilities:      
Derivatives 10.0 8.0  
Total liabilities 10.0 8.0  
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
      
Assets Measured at fair value on a non-recurring basis [Abstract]      
Assets measured at fair value on a nonrecurring basis 22.8 4.7 0.8
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
      
Assets:      
Cash equivalents 0 0  
Short-term investments in marketable securities 0 0  
Long-term investments in marketable securities 0 0  
Restricted cash 0 0  
Equity investments 0 0  
Derivatives 0 0  
Total assets 0 0  
Liabilities:      
Derivatives 0 0  
Total liabilities $ 0 $ 0