XML 55 R44.htm IDEA: XBRL DOCUMENT v3.3.1.900
Goodwill and Intangible Assets Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 01, 2016
Dec. 26, 2014
Sep. 25, 2015
Finite-Lived Intangible Assets [Line Items]      
Cost $ 358,747   $ 252,284
Accumulated Amortization (134,596)   (124,777)
Total 224,151   127,507
Purchases of intangible assets $ 105,270 $ 6,416  
Weighted average useful life 9 years 18 years  
Amortization of Intangible Assets $ 8,500 $ 5,400  
Acquired Patents And Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Cost 279,082   172,787
Accumulated Amortization (82,497)   (74,398)
Total 196,585   98,389
Purchases of intangible assets $ 105,000    
Weighted average useful life 9 years    
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Cost $ 56,889   56,933
Accumulated Amortization (29,897)   (28,275)
Total 26,992   28,658
Other Intangibles [Member]      
Finite-Lived Intangible Assets [Line Items]      
Cost 22,776   22,564
Accumulated Amortization (22,202)   (22,104)
Total 574   $ 460
Purchases of intangible assets $ 300    
Weighted average useful life 18 years