Interim Pension and Other Postretirement Benefits (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 02, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Pension Benefits [Member]
Components of net periodic pension cost [Abstract]
Service Cost		$ 5,051	$ 4,738	$ 15,153	$ 14,214
Interest Cost		6,698	6,824	20,095	20,472
Expected return on assets		(6,435)	(5,901)	(19,308)	(17,702)
Amortization of transition (asset)/obligation		0	0	0	0
Amortization of prior service (credit)/cost		(48)	(34)	(144)	(102)
Amortization of actuarial (gain) loss		3,916	3,931	11,749	11,793
Settlement loss	$ 4,500			0	4,539
Net periodic pension cost		$ 9,182	$ 9,558	$ 27,545	$ 33,214
Defined Benefit Plan Weighted Average Assumptions Used In Calculating Net Periodic Benefit Cost Abstract
Discount Rate		4.43%	4.95%	4.43%	4.95%
Rate of compensation increase		3.50%	3.50%	3.50%	3.50%
Expected return on plan assets		7.25%	7.25%	7.25%	7.25%
Current Year Benefit Plan Contributions [Abstract]
Contributions Actual		$ 38,000
Benefit Payment	$ 16,800
Other Benefits [Member]
Components of net periodic pension cost [Abstract]
Service Cost		3,895	$ 4,196	$ 11,687	$ 12,588
Interest Cost		3,596	3,987	10,789	11,963
Expected return on assets		(1,608)	(1,291)	(4,824)	(3,875)
Amortization of transition (asset)/obligation		69	69	205	205
Amortization of prior service (credit)/cost		(411)	(363)	(1,233)	(1,088)
Amortization of actuarial (gain) loss		0	158	0	474
Settlement loss				0	0
Net periodic pension cost		$ 5,541	$ 6,756	$ 16,624	$ 20,267
Defined Benefit Plan Weighted Average Assumptions Used In Calculating Net Periodic Benefit Cost Abstract
Discount Rate		4.43%	4.95%	4.43%	4.95%
Expected return on plan assets		4.60%	4.60%	4.60%	4.60%
Current Year Benefit Plan Contributions [Abstract]
Contributions Actual				$ 15,000
Defined Benefit Plan, Expected Contributions in Current Fiscal Year				$ 20,000