v2.4.0.6
Stock-Based Compensation - Stock-Based Compensation Expense in Consolidated Statements of Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 30, 2013
Mar. 24, 2012
Mar. 30, 2013
Mar. 24, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 19,013 $ 8,949 $ 31,079 $ 17,606
Cost of revenues [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 1,723 1,275 3,557 2,382
Research and development [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 2,015 1,277 3,883 2,478
Selling and marketing [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 2,567 1,844 4,768 3,394
General and administrative [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 5,739 4,553 11,680 9,352
Restructuring and divestiture [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 6,969   $ 7,191