v2.3.0.15
Business Combinations (Details) (USD $)
9 Months Ended
Oct. 30, 2011
Oct. 31, 2010
Jan. 30, 2011
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract]   
Retention Bonus$ 68,000,000  
No. of years for retention bonus payout4  
Deferred Tax Assets, Net, Current26,281,000 9,456,000
Goodwill648,053,000 369,844,000
Deferred Tax Liabilities, Noncurrent77,729,000 46,129,000
Net assets acquired352,200,000  
Pro forma net revenue3,065,136,0002,692,933,000 
Pro forma net income448,491,00028,645,000 
Pro forma net incomp per share (basic)$ 0.75$ 0.05 
Pro forma net income per share (diluted)$ 0.73$ 0.05 
Goodwill, Translation and Purchase Accounting Adjustments54,500,000  
PPA adjustment for 328 study54,500,000  
Icera Business Acquisition [Member]
   
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net [Abstract]   
Cash acquired3,315,000  
Accounts receivable13,740,000  
Inventory13,510,000  
Prepaid and other current assets1,972,000  
Deferred Tax Assets, Net, Current16,824,000  
Property, plant and equipment3,649,000  
Goodwill278,209,000  
Acquired intangible asset97,515,000  
Other assets591,000  
Total assets acquired429,325,000  
Accounts payable(6,026,000)  
Accrued liabilities(38,865,000)  
Notes payable(10,319,000)  
Income Taxes payable(4,558,000)  
Deferred Tax Liabilities, Noncurrent(17,358,000)  
Net assets acquired$ 352,199,000