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Employee Benefit Plans (Tables)

12 Months Ended

Sep. 30, 2017

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Schedule Of Changes In Projected Benefit Obligations And Plan Assets And Funded Status

The changes in projected benefit obligations and plan assets and the funded status of the U.S. and non-U.S. defined benefit plans are as follows:

	U.S. Plans								Non-U.S. Plans
	2017				2016				2017				2016
Change in projected benefit obligation:
Projected benefit obligation at prior year measurement date	$	979,055			$	850,991			$	219,308			$	180,111
Service cost	24,115				23,637				6,105				5,204
Interest cost	30,573				37,659				3,121				4,928
Contributions by plan participants	—				—				844				863
Actuarial (gains) losses	(30,339		)		96,107				(18,881		)		38,265
Foreign currency exchange impact	—				—				6,222				(4,063		)
Benefits paid	(60,891		)		(27,464		)		(4,703		)		(4,061		)
Curtailments	—				—				(262		)		—
Other	(747		)		(1,875		)		2,720				(1,939		)
Projected benefit obligation at measurement date	$	941,766			$	979,055			$	214,474			$	219,308
Change in plan assets:
Fair value of assets at prior year measurement date	$	675,018			$	578,783			$	135,439			$	117,693
Actual return on plan assets	79,419				57,646				(214		)		19,926
Employer contributions	63,597				67,928				7,655				6,155
Contributions by plan participants	—				—				844				863
Benefits paid	(60,891		)		(27,464		)		(4,703		)		(4,061		)
Foreign currency exchange impact	—				—				2,919				(3,801		)
Other	(869		)		(1,875		)		(34		)		(1,336		)
Fair value of assets at measurement date	$	756,274			$	675,018			$	141,906			$	135,439
Funded status and amount recognized in assets and liabilities	$	(185,492	)		$	(304,037	)		$	(72,568	)		$	(83,869	)
Amount recognized in assets and liabilities:
Other assets - non-current	$	—			$	—			$	1,672			$	108
Accrued and long-term pension liabilities	(185,492		)		(304,037		)		(74,240		)		(83,977		)
Amount recognized in assets and liabilities	$	(185,492	)		$	(304,037	)		$	(72,568	)		$	(83,869	)
Amount recognized in AOCIL, before taxes:
Prior service cost (credit)	$	507			$	694			$	(83	)		$	(1,269	)
Actuarial losses	360,391				449,377				40,075				57,926
Amount recognized in AOCIL, before taxes	$	360,898			$	450,071			$	39,992			$	56,657

Schedule Of Projected Benefit Obligations Or Accumulated Benefit Obligations In Excess Of Plan Assets

The following table provides aggregate information for the other pension plans, which have projected benefit obligations or accumulated benefit obligations in excess of plan assets:

		September 30, 2017				October 1, 2016
Projected benefit obligation		$	1,047,605			$	1,128,524
Accumulated benefit obligation		969,161				1,045,034
Fair value of plan assets		793,167				744,751

Schedule Of Weighted-Average Assumptions Used To Determine Net Periodic Benefit Cost And Benefit Obligations

Weighted-average assumptions used to determine benefit obligations as of the measurement dates and weighted-average assumptions used to determine net periodic benefit cost are as follows:

	U.S. Plans									Non-U.S. Plans
	2017			2016			2015			2017			2016			2015
Assumptions for net periodic benefit cost:
Discount rate	n/a			4.5	%		4.4	%		n/a			3.0	%		3.1	%
Service cost discount rate	4.0	%		n/a			n/a			2.0	%		n/a			n/a
Interest cost discount rate	3.2	%		n/a			n/a			1.7	%		n/a			n/a
Return on assets	7.5	%		7.7	%		8.0	%		3.6	%		4.1	%		4.5	%
Rate of compensation increase	3.5	%		4.1	%		4.1	%		2.3	%		2.6	%		3.0	%
Assumptions for benefit obligations:
Discount rate	4.0	%		3.8	%		4.5	%		2.5	%		1.9	%		3.0	%
Rate of compensation increase	3.5	%		3.5	%		4.1	%		2.5	%		2.3	%		3.0	%

Schedule Of Weighted-Average Asset Allocations By Asset Category For The Pension Plans

The following tables present the consolidated plan assets using the fair value hierarchy, which is described in Note 9 - Fair Value, as of September 30, 2017 and October 1, 2016.

U.S. Plans, September 30, 2017	Level 1				Level 2				Level 3				Total
Investments at fair value:
Shares of registered investment companies:
Equity funds	$	302,652			$	—			$	—			$	302,652
Fixed income funds	323,008				—				—				323,008
Employer securities	83,246				—				—				83,246
Money market funds	—				7,372				—				7,372
Cash and cash equivalents	1,260				—				—				1,260
Insurance contract	—				—				464				464
Total investments in fair value hierarchy	710,166				7,372				464				718,002
Investments measured at NAV practical expedient (1)													38,272
Total investments at fair value	$	710,166			$	7,372			$	464			$	756,274

Non-U.S. Plans, September 30, 2017	Level 1				Level 2				Level 3				Total
Investments at fair value:
Mutual funds:
Equity funds	$	—			$	15,529			$	—			$	15,529
Fixed income funds	—				16,440				—				16,440
Equity securities	8,080				—				—				8,080
Fixed income securities	—				14,488				—				14,488
Unit linked life insurance funds	—				41,054				—				41,054
Money market funds	—				814				—				814
Cash and cash equivalents	48				—				—				48
Insurance contracts and other	—				5,492				39,961				45,453
Total investments in fair value hierarchy	8,128				93,817				39,961				141,906
Investments measured at NAV practical expedient (1)													—
Total investments at fair value	$	8,128			$	93,817			$	39,961			$	141,906

U.S. Plans, October 1, 2016	Level 1				Level 2				Level 3				Total
Investments at fair value:
Shares of registered investment companies:
Equity funds	$	—			$	214,374			$	—			$	214,374
Fixed income funds	—				45,709				—				45,709
Fixed income securities	—				24,097				—				24,097
Employer securities	68,574				—				—				68,574
Money market funds	—				18,962				—				18,962
Cash and cash equivalents	—				—				—				—
Insurance contract	—				—				589				589
Total investments in fair value hierarchy	68,574				303,142				589				372,305
Investments measured at NAV practical expedient (1)													302,713
Total investments at fair value	$	68,574			$	303,142			$	589			$	675,018

Non-U.S. Plans, October 1, 2016	Level 1				Level 2				Level 3				Total
Investments at fair value:
Mutual funds:
Equity funds	$	—			$	15,698			$	—			$	15,698
Fixed income funds	—				17,187				—				17,187
Equity securities	4,931				—				—				4,931
Fixed income securities	—				12,633				—				12,633
Unit linked life insurance funds	—				36,889				—				36,889
Money market funds	—				553				—				553
Cash and cash equivalents	73				—				—				73
Insurance contracts and other	—				4,861				42,614				47,475
Total investments in fair value hierarchy	5,004				87,821				42,614				135,439
Investments measured at NAV practical expedient (1)													—
Total investments at fair value	$	5,004			$	87,821			$	42,614			$	135,439

The weighted average asset allocations by asset category for the pension plans as of September 30, 2017 and October 1, 2016 are as follows:

	U.S. Plans						Non-U.S. Plans
	Target		2017 Actual		2016 Actual		Target		2017 Actual		2016 Actual
Asset category:
Equity	50%-60%		57%		55%		20%-45%		32%		32%
Debt	40%-50%		43%		36%		30%-45%		36%		36%
Real estate and other	—%		—%		9%		25%-35%		32%		32%

Schedule Of Roll-Forward Of The Consolidated Plan Assets Classified As Level 3 Within The Fair Value Hierarchy

The following is a roll forward of the consolidated plan assets classified as Level 3 within the fair value hierarchy:

		U.S. Plans				Non-U.S. Plans				Total
Balance at October 3, 2015		$	866			$	28,936			$	29,802
Return on assets		32				11,723				11,755
Purchases from contributions to Plans		—				3,472				3,472
Settlements paid in cash		(309		)		(2,231		)		(2,540		)
Foreign currency translation		—				714				714
Balance at October 1, 2016		589				42,614				43,203
Return on assets		23				(5,437		)		(5,414		)
Purchases from contributions to Plans		—				2,848				2,848
Settlements paid in cash		(148		)		(1,492		)		(1,640		)
Foreign currency translation		—				1,428				1,428
Balance at September 30, 2017		$	464			$	39,961			$	40,425

Schedule Of Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table Text Block]

The following table summarizes investments measured at fair value based on net asset value (NAV) per share as of September 30, 2017:

		Fair Value
		September 30, 2017				October 1, 2016				Unfunded Commitments				Redemption Frequency		Redemption Notice Period
Limited partnerships (1)		$	35,821			$	44,003			$	5,738			Varies		10-45 days
Hedge funds (2)		2,451				21,678				—				Quarterly		60 days
Interest in common collective trusts		—				237,032				—				Daily, Weekly		0-5 days
Total		$	38,272			$	302,713			$	5,738

Schedule Of Pension Expense

Pension expense for all defined benefit plans is as follows:

	U.S. Plans												Non-U.S. Plans
	2017				2016				2015				2017				2016				2015
Service cost	$	24,115			$	23,637			$	23,635			$	6,105			$	5,204			$	6,087
Interest cost	30,573				37,659				34,031				3,121				4,928				4,814
Expected return on plan assets	(54,510		)		(50,383		)		(47,136		)		(4,643		)		(4,862		)		(5,166		)
Amortization of prior service cost (credit)	187				187				149				(106		)		(103		)		(70		)
Amortization of actuarial loss	33,738				26,168				22,355				4,581				2,600				2,289
Curtailment gain	—				—				—				(147		)		—				—
Settlement loss	—				59				54				—				131				77
Pension expense for defined benefit plans	$	34,103			$	37,327			$	33,088			$	8,911			$	7,898			$	8,031

Schedule Of Benefits Expected To Be Paid To The Participants Of The Plans

Benefits expected to be paid to the participants of the plans are:

		U.S. Plans				Non-U.S. Plans
2018		$	33,611			$	5,898
2019		35,998				6,599
2020		38,990				6,056
2021		42,710				6,668
2022		45,937				8,028
Five years thereafter		277,764				45,651

Schedule of Defined Contribution Plan Expense

Pension expense for the defined contribution plans consists of:

		2017				2016				2015
U.S. defined contribution plans		$	15,036			$	14,128			$	13,621
Non-U.S. defined contribution plans		6,029				6,029				6,570
Total pension expense for defined contribution plans		$	21,065			$	20,157			$	20,191

Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan

The changes in the accumulated benefit obligation of this unfunded plan for 2017 and 2016 are shown in the following table:

		September 30, 2017				October 1, 2016
Change in Accumulated Postretirement Benefit Obligation (APBO):
APBO at prior year measurement date		$	12,825			$	12,532
Service cost		118				161
Interest cost		288				468
Contributions by plan participants		1,699				1,944
Benefits paid		(2,448		)		(3,043		)
Actuarial (gains) losses		(769		)		763
Plan amendment		(1,200		)		—
APBO at measurement date		$	10,513			$	12,825
Funded status		$	(10,513	)		$	(12,825	)
Accrued postretirement benefit liability		$	10,513			$	12,825
Amount recognized in AOCIL, before taxes:
Prior service credit		1,200				—
Actuarial gains		4,178				3,896
Amount recognized in AOCIL, before taxes		$	5,378			$	3,896

Schedule Of Cost Of The Postretirement Benefit Plan

The cost of the postretirement benefit plan is as follows:

		2017				2016				2015
Service cost		$	118			$	161			$	226
Interest cost		288				468				576
Amortization of actuarial gain		(487		)		(572		)		(106		)
Net periodic postretirement benefit cost		$	(81	)		$	57			$	696

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