Pension Plans (Change In Benefit Obligation And Plan Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation—beginning of year	$ 218,559	$ 188,334
Service cost	1,466	1,659
Interest cost	6,419	7,903
Actuarial loss	3,594	33,295
Foreign exchange impact	(9,515)	(6,480)
Participant contributions	198	325
Benefits paid	(7,183)	(6,477)
Settlements	(135,350)	0
Projected benefit obligation—end of year	78,188	218,559	$ 188,334
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value-beginning of year	157,350	138,193
Actual return on plan assets	1,878	15,914
Employer contributions	46,700	12,905	9,969
Participant contributions	198	325
Foreign exchange impact	(5,632)	(3,510)
Settlements	(135,350)	0
Benefits paid	(7,183)	(6,477)
Plan assets at fair value-end of year	57,961	157,350	138,193
Underfunded status	(20,227)	(61,209)
Accumulated benefit obligation-end of year	74,928	214,817
Non-current liability	(20,227)	(39,615)
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	0	(21,594)
Unrecognized actuarial loss	(28,339)	(95,925)	(74,357)
U.S. Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation—beginning of year	134,453	113,378
Service cost	0	0	0
Interest cost	4,591	5,461	4,989
Actuarial loss	1,606	20,563
Foreign exchange impact	0	0
Participant contributions	0	0
Benefits paid	(5,300)	(4,949)
Settlements	(135,350)	0
Projected benefit obligation—end of year	0	134,453	113,378
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value-beginning of year	112,859	94,831
Actual return on plan assets	2,316	12,425
Employer contributions	25,475	10,552
Participant contributions	0	0
Foreign exchange impact	0	0
Settlements	(135,350)	0
Benefits paid	(5,300)	(4,949)
Plan assets at fair value-end of year	0	112,859	94,831
Underfunded status	0	(21,594)
Accumulated benefit obligation-end of year	0	134,453
Non-current liability	0	0
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	0	(21,594)
Unrecognized actuarial loss	0	(68,256)	(55,180)
International Plans [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation—beginning of year	84,106	74,956
Service cost	1,466	1,659	2,017
Interest cost	1,828	2,442	2,384
Actuarial loss	1,988	12,732
Foreign exchange impact	(9,515)	(6,480)
Participant contributions	198	325
Benefits paid	(1,883)	(1,528)
Settlements	0	0
Projected benefit obligation—end of year	78,188	84,106	74,956
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets at fair value-beginning of year	44,491	43,362
Actual return on plan assets	(438)	3,489
Employer contributions	21,225	2,353
Participant contributions	198	325
Foreign exchange impact	(5,632)	(3,510)
Settlements	0	0
Benefits paid	(1,883)	(1,528)
Plan assets at fair value-end of year	57,961	44,491	43,362
Underfunded status	(20,227)	(39,615)
Accumulated benefit obligation-end of year	74,928	80,364
Non-current liability	(20,227)	(39,615)
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities	0	0
Unrecognized actuarial loss	$ 28,339	$ (27,669)	$ (19,177)