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STOCK-BASED COMPENSATION - Schedule of Restricted Shares and Performance Stock Units (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended
Mar. 30, 2014
Restricted shares
Mar. 31, 2013
Restricted shares
Mar. 30, 2014
Performance stock units
Mar. 31, 2013
Performance stock units
Mar. 30, 2014
Symmetricom
Stock options assumed from acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Quantity 1,433 1,802 332 350  
Weighted average fair value per award (USD per award) $ 24.64 $ 20.24 $ 26.27 $ 21.62  
Quantity options assumed from acquisition         578
Weighted average fair value options assumed from acquisition (USD per option)         $ 7.01