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Component: (Network and Table)
Network
1048 - Disclosure - Restructuring of Operations and Other Items - Summary of Significant Activity Within, and Components of Restructuring Obligations (Detail)
(http://www.lsi.com/taxonomy/role/DisclosureRestructuringOfOperationsAndOtherItemsSummaryOfSignificantActivityWithinAndComponentsOfRestructuringObligations)
TableSchedule of Restructuring and Related Costs [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000703360 (http://www.sec.gov/CIK)
Restructuring Cost and Reserve [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
Restructuring Cost And Reserve [Axis]Restructuring Cost And Reserve [Axis]Restructuring Cost And Reserve [Axis]
Lease Agreements [Member]Employee Severance [Member]Other Exit Costs [Member]Type Of Restructuring [Domain]Lease Agreements [Member]Employee Severance [Member]Other Exit Costs [Member]Type Of Restructuring [Domain]Lease Agreements [Member]Employee Severance [Member]Other Exit Costs [Member]Type Of Restructuring [Domain]
Beginning Balance
12,991,000  
5,003,000  
xsi:nil  
17,994,000  
11,752,000  
10,444,000  
xsi:nil  
22,196,000  
 
 
 
 
Expense
3,613,000  
19,428,000  
 
23,041,000  
10,306,000  
8,145,000  
4,541,000  
22,992,000  
6,162,000  
11,326,000  
 
16,455,000  
Utilized
(12,575,000) 
(11,656,000) 
 
(24,231,000) 
(9,067,000) 
(13,586,000) 
(4,541,000) 
(27,194,000) 
 
 
 
 
Ending Balance
4,029,000  
 
12,775,000  
 
xsi:nil  
 
16,804,000  
 
12,991,000  
 
5,003,000  
 
xsi:nil  
 
17,994,000  
 
11,752,000  
 
10,444,000  
 
xsi:nil  
 
22,196,000