Intangible Assets (Details) (USD $) | 3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Oct. 30, 2011 | Oct. 31, 2010 | Oct. 30, 2011 | Oct. 31, 2010 | Jan. 30, 2011 | |
| Amortizable intangible assets components [Line Items] | |||||
| Gross Carrying Amount | $ 525,022,000 | $ 525,022,000 | $ 428,019,000 | ||
| Accumulated Amortization | (182,183,000) | (182,183,000) | (139,274,000) | ||
| Net Carrying Amount | 342,839,000 | 342,839,000 | 288,745,000 | ||
| Amortization expense associated with intangible assets | |||||
| Amortization expense | 16,400,000 | 7,600,000 | 42,900,000 | 21,900,000 | |
| Future amortization expense associated with intangible assets | |||||
| Remainder of fiscal 2012 | 19,100,000 | ||||
| Fiscal 2013 | 56,800,000 | ||||
| Fiscal 2014 | 52,200,000 | ||||
| Fiscal 2015 | 52,100,000 | ||||
| Fiscal 2016 | 51,200,000 | ||||
| Fiscal 2017 and fiscal years subsequent of fiscal 2017 | 111,400,000 | ||||
Technology Licenses | |||||
| Amortizable intangible assets components [Line Items] | |||||
| Gross Carrying Amount | 320,310,000 | 320,310,000 | 320,477,000 | ||
| Accumulated Amortization | (89,304,000) | (89,304,000) | (62,791,000) | ||
| Net Carrying Amount | 231,006,000 | 231,006,000 | 257,686,000 | ||
Acquisition-related intangible assets | |||||
| Amortizable intangible assets components [Line Items] | |||||
| Gross Carrying Amount | 172,039,000 | 172,039,000 | 75,339,000 | ||
| Accumulated Amortization | (74,057,000) | (74,057,000) | (61,114,000) | ||
| Net Carrying Amount | 97,982,000 | 97,982,000 | 14,225,000 | ||
Patents | |||||
| Amortizable intangible assets components [Line Items] | |||||
| Gross Carrying Amount | 32,673,000 | 32,673,000 | 32,203,000 | ||
| Accumulated Amortization | (18,822,000) | (18,822,000) | (15,369,000) | ||
| Net Carrying Amount | $ 13,851,000 | $ 13,851,000 | $ 16,834,000 | ||
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- Definition The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate amount of intangible asset amortization recognized as expense during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.
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- Definition The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.
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- Definition The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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