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Discontinued Operations (Divestiture) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May. 30, 2014
Dec. 28, 2014
Jun. 29, 2014
Jan. 03, 2016
Dec. 28, 2014
Long Lived Assets Held-for-sale [Line Items]          
Proceeds from divestitures       $ 0 $ 15,300
High-Speed Converter Business          
Long Lived Assets Held-for-sale [Line Items]          
Proceeds from divestitures $ 18,000   $ 18,000    
Less book value of assets sold and direct costs related to the sale:          
Intangible assets     (990)    
Transaction and other costs     (170)    
Gain on divestiture   $ 0 $ 16,840 $ 0 $ 16,840