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Reporting Segment And Geographic Information Reporting Segment And Geographic Information - Narratives (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 30, 2016
Sep. 30, 2016
Jul. 01, 2016
Apr. 01, 2016
Jan. 01, 2016
Oct. 02, 2015
Jul. 03, 2015
Apr. 03, 2015
Dec. 30, 2016
Jan. 01, 2016
Jan. 02, 2015
Segment Reporting Information [Line Items]                      
Revenues $ 585,500,000 $ 584,100,000 $ 609,600,000 $ 583,000,000 $ 559,700,000 $ 562,300,000 $ 585,800,000 $ 582,600,000 $ 2,362,200,000 [1] $ 2,290,400,000 [1] $ 2,395,500,000 [1]
Number of Reportable Segments                 4    
Restructuring Liability, Current $ 2,500,000               $ 2,500,000    
Advanced Devices [Member]                      
Segment Reporting Information [Line Items]                      
Revenues                 $ 134,600,000 131,500,000 138,500,000
Sales Revenue, Net [Member] | Advanced Devices [Member]                      
Segment Reporting Information [Line Items]                      
Concentration Risk, Percentage                 10.00%    
Ten Percent Customer member [Member]                      
Segment Reporting Information [Line Items]                      
Revenues                 $ 0 $ 0 $ 0
Ten Percent Customer member [Member] | Sales Revenue, Net [Member]                      
Segment Reporting Information [Line Items]                      
Concentration Risk, Percentage                 10.00% 10.00% 10.00%
Ten Percent Accounts Receivable member [Member]                      
Segment Reporting Information [Line Items]                      
Revenues                 $ 0 $ 0  
Ten Percent Accounts Receivable member [Member] | Accounts Receivable [Member]                      
Segment Reporting Information [Line Items]                      
Concentration Risk, Percentage                 10.00% 10.00%  
[1] Revenue is attributed to countries based on the location of the customer.