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Pension and Other Postretirement Pension Plans (Summary of Changes in the Fair Value of the Plans' Level 3 Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2016
Oct. 02, 2015
U.S. Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year $ 379,907 $ 415,350
Fair value of plan assets at the end of the year 142,464 379,907
U.S. Pension Plans | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 26,286  
Fair value of plan assets at the end of the year 9,192 26,286
U.S. Pension Plans | Real estate    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 9,914  
Fair value of plan assets at the end of the year 3,477 9,914
U.S. Pension Plans | Real estate | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 9,914  
Purchases, sales, and settlements (6,530) 10,616
Realized and unrealized gains (losses) 93 (702)
Fair value of plan assets at the end of the year 3,477 9,914
Purchases (6,530) 10,616
U.S. Pension Plans | Hedge funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 16,372  
Fair value of plan assets at the end of the year 5,715 16,372
U.S. Pension Plans | Hedge funds | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 16,372 16,304
Purchases, sales, and settlements (10,788)  
Realized and unrealized gains (losses) 131  
Fair value of plan assets at the end of the year 5,715 16,372
Purchases (10,788)  
Sales   68
Non-U.S. Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 896,298 876,171
Effect of exchange rate changes (126,646) (72,704)
Fair value of plan assets at the end of the year 1,003,911 896,298
Non-U.S. Pension Plans | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 355,238  
Fair value of plan assets at the end of the year 367,655 355,238
Non-U.S. Pension Plans | Real estate    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 61,996  
Fair value of plan assets at the end of the year 55,665 61,996
Non-U.S. Pension Plans | Real estate | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 61,996 59,966
Purchases, sales, and settlements (462) 1,271
Realized and unrealized gains (losses) 2,572 5,390
Effect of exchange rate changes (8,441) (4,631)
Fair value of plan assets at the end of the year 55,665 61,996
Purchases (462) 1,271
Non-U.S. Pension Plans | Hedge funds    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 260,720  
Fair value of plan assets at the end of the year 272,517 260,720
Non-U.S. Pension Plans | Hedge funds | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 260,720 213,936
Purchases, sales, and settlements (1,205) 4,760
Realized and unrealized gains (losses) 57,656 54,719
Effect of exchange rate changes (44,654) (12,695)
Fair value of plan assets at the end of the year 272,517 260,720
Purchases (1,205) 4,760
Non-U.S. Pension Plans | Insurance contracts    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 32,522  
Fair value of plan assets at the end of the year 39,473 32,522
Non-U.S. Pension Plans | Insurance contracts | Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets at the beginning of the year 32,522 37,468
Purchases, sales, and settlements (165) 526
Realized and unrealized gains (losses) 6,451 1,353
Effect of exchange rate changes 665 (6,825)
Fair value of plan assets at the end of the year 39,473 32,522
Purchases $ (165) $ 526