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Acquisition of Varian (Tables)
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6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Apr. 30, 2011
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| Acquisition of Varian [Abstract] | Â | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pro Forma Combined Information | The following represents pro forma operating results as if Varian had been included in the company's condensed consolidated statements of operations as of the beginning of the fiscal year presented (in millions, except per share amounts). The amounts for three months ended January 31, 2010 have been revised to correct the pro forma results previously disclosed for that period.
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