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Employee Benefit Plans (Net Periodic Benefit Costs) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 02, 2016
Apr. 04, 2015
Apr. 02, 2016
Apr. 04, 2015
U.S. Pension Plans        
Defined Benefit Plan Disclosure        
Service cost $ 5,910 $ 5,908 $ 11,819 $ 11,817
Interest cost 9,414 8,508 18,829 17,015
Expected return on plan assets (12,596) (11,784) (25,192) (23,568)
Amortization of prior service cost (credit) 47 38 94 75
Amortization of actuarial (gain) loss 6,542 5,589 13,084 11,178
Pension expense for defined benefit plans 9,317 8,259 18,634 16,517
Foreign Pension Plans        
Defined Benefit Plan Disclosure        
Service cost 1,325 1,385 2,638 2,976
Interest cost 1,226 1,104 2,466 2,369
Expected return on plan assets (1,211) (1,205) (2,440) (2,544)
Amortization of prior service cost (credit) (19) (12) (38) (25)
Amortization of actuarial (gain) loss 647 484 1,297 1,071
Pension expense for defined benefit plans 1,968 1,756 3,923 3,847
Post-Retirement Health Care Benefit Plan        
Defined Benefit Plan Disclosure        
Service cost 41 57 81 113
Interest cost 117 144 234 288
Amortization of actuarial (gain) loss (143) (27) (286) (53)
Net periodic postretirement benefit cost $ 15 $ 174 $ 29 $ 348