Employee Benefit Plans (Tables)

12 Months Ended

Oct. 01, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

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

	U.S. Plans						Non-U.S. Plans
	2016			2015			2016			2015
Change in projected benefit obligation:
Projected benefit obligation at prior year measurement date	$	850,991		$	784,203		$	180,111		$	188,942
Service cost	23,637			23,635			5,204			6,087
Interest cost	37,659			34,031			4,928			4,814
Contributions by plan participants	—			—			863			774
Actuarial losses	96,107			35,064			38,265			4,639
Foreign currency exchange impact	—			—			(4,063		)	(19,149		)
Benefits paid from plan assets	(24,710		)	(22,612		)	(1,632		)	(2,186		)
Benefits paid by Moog	(2,754		)	(2,508		)	(2,429		)	(2,312		)
Other	(1,875		)	(822		)	(1,939		)	(1,498		)
Projected benefit obligation at measurement date	$	979,055		$	850,991		$	219,308		$	180,111
Change in plan assets:
Fair value of assets at prior year measurement date	$	578,783		$	585,677		$	117,693		$	120,754
Actual return on plan assets	57,646			(28,435		)	19,926			4,437
Employer contributions	67,928			47,666			6,155			8,208
Contributions by plan participants	—			—			863			774
Benefits paid	(27,464		)	(25,120		)	(4,061		)	(4,498		)
Foreign currency exchange impact	—			—			(3,801		)	(10,983		)
Other	(1,875		)	(1,005		)	(1,336		)	(999		)
Fair value of assets at measurement date	$	675,018		$	578,783		$	135,439		$	117,693
Funded status and amount recognized in assets and liabilities	$	(304,037	)	$	(272,208	)	$	(83,869	)	$	(62,418	)
Amount recognized in assets and liabilities:
Other assets - non-current	$	—		$	—		$	108		$	220
Accrued and long-term pension liabilities	(304,037		)	(272,208		)	(83,977		)	(62,638		)
Amount recognized in assets and liabilities	$	(304,037	)	$	(272,208	)	$	(83,869	)	$	(62,418	)
Amount recognized in AOCIL, before taxes:
Prior service cost (credit)	$	694		$	881		$	(1,269	)	$	(737	)
Actuarial losses	449,377			386,759			57,926			38,869
Amount recognized in AOCIL, before taxes	$	450,071		$	387,640		$	56,657		$	38,132

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

	October 1, 2016		October 3, 2015
Projected benefit obligation	$	1,128,524	$	968,848
Accumulated benefit obligation	1,045,034		886,663
Fair value of plan assets	744,751		634,406

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

	U.S. Plans						Non-U.S. Plans
	2016		2015		2014		2016		2015		2014
Assumptions for net periodic benefit cost:
Discount rate	4.5	%	4.4	%	5.0	%	3.0	%	3.1	%	3.7	%
Return on assets	7.7	%	8.0	%	8.4	%	4.1	%	4.5	%	4.1	%
Rate of compensation increase	4.1	%	4.1	%	4.1	%	2.6	%	3.0	%	2.8	%
Assumptions for benefit obligations:
Discount rate	3.8	%	4.5	%	4.4	%	1.9	%	3.0	%	3.1	%
Rate of compensation increase	3.5	%	4.1	%	4.1	%	2.3	%	3.0	%	2.7	%

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

	U.S. Plans			Non-U.S. Plans
	Target	2016 Actual	2015 Actual	Target	2016 Actual	2015 Actual
Asset category:
Equity	20%-50%	55%	59%	30%-50%	32%	30%
Debt	35%-60%	36%	31%	40%-60%	36%	42%
Real estate and other	10%-20%	9%	10%	10%-30%	32%	28%

U.S. Plans, October 1, 2016	Level 1		Level 2		Level 3		Total
Shares of registered investment companies:
Non-investment grade	$	—	$	45,709	$	—	$	45,709
Real assets	—		37,337		—		37,337
Other	—		177,037		—		177,037
Fixed income funds:
U.S. Government obligations	—		23,867		—		23,867
Corporate and other	—		230		—		230
Employer securities	68,574		—		—		68,574
Interest in common collective trusts	—		237,032		—		237,032
Money market funds	—		18,962		—		18,962
Limited partnerships	—		—		44,003		44,003
Insurance contracts and other	—		—		22,267		22,267
Fair value	$	68,574	$	540,174	$	66,270	$	675,018

Non-U.S. Plans, October 1, 2016	Level 1		Level 2		Level 3		Total
Shares of registered investment companies	$	—	$	6,523	$	—	$	6,523
Domestic equity	7,616		—		—		7,616
International equity	10,562		—		—		10,562
Fixed income funds	6,246		23,574		—		29,820
Unit linked life insurance funds	—		36,889		—		36,889
Cash and cash equivalents	73		553		—		626
Insurance contracts and other	—		789		42,614		43,403
Fair value	$	24,497	$	68,328	$	42,614	$	135,439

U.S. Plans, October 3, 2015	Level 1		Level 2		Level 3		Total
Shares of registered investment companies:
Non-investment grade	$	—	$	38,517	$	—	$	38,517
Real assets	—		35,647		—		35,647
Other	—		78,102		—		78,102
Fixed income funds:
U.S. Government obligations	—		64,441		—		64,441
Corporate and other	—		106,120		—		106,120
Employer securities	62,214		—		—		62,214
Interest in common collective trusts	—		88,870		—		88,870
Money market funds	—		16,887		—		16,887
Limited partnerships	—		—		64,760		64,760
Insurance contracts and other	—		—		23,225		23,225
Fair value	$	62,214	$	428,584	$	87,985	$	578,783

Non-U.S. Plans, October 3, 2015	Level 1		Level 2		Level 3		Total
Shares of registered investment companies	$	—	$	3,683	$	—	$	3,683
Domestic equity	6,142		209		—		6,351
International equity	8,806		—		—		8,806
Fixed income funds	5,615		24,131		—		29,746
Unit linked life insurance funds	—		38,260		—		38,260
Cash and cash equivalents	252		880		—		1,132
Insurance contracts and other	—		779		28,936		29,715
Fair value	$	20,815	$	67,942	$	28,936	$	117,693

Schedule Of 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 September 27, 2014	$	103,717		$	30,183		$	133,900
Return on assets	849			1,083			1,932
Purchases from contributions to Plans	39,188			3,118			42,306
Proceeds from sales of investments	(54,479		)	—			(54,479		)
Settlements paid in cash	(1,290		)	(1,985		)	(3,275		)
Foreign currency translation	—			(3,463		)	(3,463		)
Balance at October 3, 2015	87,985			28,936			116,921
Return on assets	(704		)	11,723			11,019
Purchases from contributions to Plans	12,366			3,472			15,838
Proceeds from sales of investments	(30,695		)	—			(30,695		)
Settlements paid in cash	(2,682		)	(2,231		)	(4,913		)
Foreign currency translation	—			714			714
Balance at October 1, 2016	$	66,270		$	42,614		$	108,884

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

	Unfunded Commitments		Redemption Frequency	Redemption Notice Period
Interest in common collective trusts (1)	$	—	Daily, Weekly	0-5 days
Insurance contracts and other (2)	—		Quarterly	60-90 days
Limited partnerships (3)	7,052		Varies	10-45 days
Total	$	7,052

Schedule Of Pension Expense

	U.S. Plans									Non-U.S. Plans
	2016			2015			2014			2016			2015			2014
Service cost	$	23,637		$	23,635		$	21,571		$	5,204		$	6,087		$	5,533
Interest cost	37,659			34,031			33,354			4,928			4,814			5,984
Expected return on plan assets	(50,383		)	(47,136		)	(43,374		)	(4,862		)	(5,166		)	(4,487		)
Amortization of prior service cost (credit)	187			149			149			(103		)	(70		)	(57		)
Amortization of actuarial loss	26,168			22,355			16,346			2,600			2,289			1,398
Settlement loss	59			54			37			131			77			—
Pension expense for defined benefit plans	$	37,327		$	33,088		$	28,083		$	7,898		$	8,031		$	8,371

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

	U.S. Plans		Non-U.S. Plans
2017	$	31,020	$	5,305
2018	34,368		5,814
2019	37,030		6,229
2020	40,106		5,692
2021	43,557		6,476
Five years thereafter	266,881		42,631

Schedule of Defined Contribution Plan Expense

	2016		2015		2014
U.S. defined contribution plans	$	14,128	$	13,621	$	13,196
Non-U.S. defined contribution plans	6,029		6,570		6,458
Total pension expense for defined contribution plans	$	20,157	$	20,191	$	19,654

Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan

	October 1, 2016			October 3, 2015
Change in Accumulated Postretirement Benefit Obligation (APBO):
APBO at prior year measurement date	$	12,532		$	15,331
Service cost	161			226
Interest cost	468			576
Contributions by plan participants	1,944			2,228
Benefits paid	(3,043		)	(2,795		)
Actuarial losses (gains)	763			(3,034		)
APBO at measurement date	$	12,825		$	12,532
Funded status	$	(12,825	)	$	(12,532	)
Accrued postretirement benefit liability	$	12,825		$	12,532
Amount recognized in AOCIL, before taxes:
Actuarial gains	3,896			5,232
Amount recognized in AOCIL, before taxes	$	3,896		$	5,232

Schedule Of Cost Of The Postretirement Benefit Plan

	2016			2015			2014
Service cost	$	161		$	226		$	225
Interest cost	468			576			624
Amortization of actuarial gain	(572		)	(106		)	(261		)
Net periodic postretirement benefit cost	$	57		$	696		$	588