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Offer to Acquire Niscayah - Additional Information (Detail)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended
Jul. 02, 2011
USD ($)
Jul. 02, 2011
USD ($)
Jun. 27, 2011
USD ($)
Jan. 01, 2011
USD ($)
Jun. 27, 2011
Common Stock
SEK
Jun. 27, 2011
Warrants
SEK
Jul. 02, 2011
Minimum
Subsequent Event
Jul. 02, 2011
Subsequent Event
USD ($)
Jul. 02, 2011
Subsequent Event
On day of the acquisition
USD ($)
Jul. 02, 2011
Subsequent Event
90 days after the acquisition
USD ($)
Business Acquisition [Line Items]                    
Acquistion price, per share $ 45.7 $ 45.7 $ 1,200.0 $ 547.3            
Acquisition transaction value         18.00 0.05        
Percentage of acquired outstanding shares of Niscayah 5.80% 5.80%                
Investment in Niscayah 58.5 58.5                
Investment at fair value 61.5 61.5                
Date of subsequent event Jul. 22, 2011
Combined ownership percentage, after acquisition             90.00%      
364 Credit agreement, credit line               $ 1,250 $ 1,000 $ 750