Retirement Benefits (Tables)

12 Months Ended

Sep. 30, 2015

Pension Plans, Defined Benefit [Member]

Schedule of Actuarial Assumptions Used

	2015		2014		2013
United States:
Weighted-average assumptions to determine benefit obligation at September 30:
Discount rate	4.39	%	4.40	%	5.15	%
Rate of compensation increase	n/a		3.50		3.50
Weighted-average assumptions to determine periodic benefit costs for years ended September 30:
Discount rate	4.40		5.15		4.10
Rate of compensation increase	n/a		3.50		3.50
Long-term rate of return on plan assets	7.62		7.62		7.59
United Kingdom:
Weighted-average assumptions to determine benefit obligation at September 30:
Discount rate	3.75	%	4.10	%	4.50	%
Rate of compensation increase	3.40		3.50		3.50
Weighted-average assumptions to determine periodic benefit costs for years ended September 30:
Discount rate	4.10		4.50		4.60
Rate of compensation increase	3.50		3.50		3.90
Long-term rate of return on plan assets	5.50		5.50		5.50
Japan:
Weighted-average assumptions to determine benefit obligation at September 30:
Discount rate	0.97	%	1.10	%	1.25	%
Rate of compensation increase	2.00		2.00		2.00
Weighted-average assumptions to determine periodic benefit costs for years ended September 30:
Discount rate	1.10		1.25		1.50
Rate of compensation increase	2.00		2.00		2.00
Long-term rate of return on plan assets	3.00		3.00		2.80
Switzerland:
Weighted-average assumptions to determine benefit obligation at September 30:
Discount rate	n/a		n/a		2.25	%
Rate of compensation increase	n/a		n/a		2.00
Weighted-average assumptions to determine periodic benefit costs for years ended September 30:
Discount rate	n/a		2.25		1.75
Rate of compensation increase	n/a		2.00		2.00
Long-term rate of return on plan assets	n/a		2.25		1.75

Schedule of Net Periodic Benefit Costs

	Year Ended September 30,
	United States						Other Countries						Total
	2015		2014		2013		2015		2014		2013		2015		2014		2013
Service cost	$	2,018	$	3,516	$	4,608	$	784	$	988	$	1,052	$	2,802	$	4,504	$	5,660
Interest cost		5,956		6,382		5,569		2,128		2,410		2,113		8,084		8,792		7,682
Expected return on plan assets		(10,647)		(9,813)		(8,183)		(3,032)		(3,070)		(2,610)		(13,679)		(12,883)		(10,793)
Amortization of:
Net (gains) losses		396		330		1,374		190		655		465		586		985		1,839
Net prior service (benefit) cost		383		97		75		-		(4)		(8)		383		93		67
Settlement costs		-		-		-		-		-		37		-		-		37
Curtailment (benefits)		-		(6,624)		-		-		(915)		-		-		(7,539)		-
Net periodic (benefit) cost	$	(1,894)	$	(6,112)	$	3,443	$	70	$	64	$	1,049	$	(1,824)	$	(6,048)	$	4,492

Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

	At or for the Year Ended September 30,
	United States				Other Countries				Total
	2015		2014		2015		2014		2015		2014
Changes in projected benefit obligation:
Projected benefit obligation at beginning of year	$	137,740	$	126,532	$	63,535	$	63,891	$	201,275	$	190,423
Service cost		2,018		3,516		784		988		2,802		4,504
Interest cost		5,956		6,382		2,128		2,410		8,084		8,792
Net actuarial losses		4,206		12,446		2,715		3,015		6,921		15,461
Contribution by participants		28		-		23		91		51		91
Benefits paid		(4,078)		(3,732)		(2,424)		(2,318)		(6,502)		(6,050)
Amounts paid by Company for Pension Protection Fund levy		-		-		-		(13)		-		(13)
Plan amendments		-		3,355		-		-		-		3,355
Settlements		-		-		-		(1,985)		-		(1,985)
Curtailments		-		(10,759)		-		(1,499)		-		(12,258)
Foreign currency exchange rate changes		-		-		(4,530)		(1,045)		(4,530)		(1,045)
Projected benefit obligation at end of year	$	145,870	$	137,740	$	62,231	$	63,535	$	208,101	$	201,275
Changes in fair value of plan assets:
Fair value of plan assets at beginning of year	$	142,090	$	129,518	$	63,071	$	60,657	$	205,161	$	190,175
Actual return on plan assets		(2,535)		15,764		2,975		5,212		440		20,976
Contributions by the company		85		540		1,483		2,422		1,568		2,962
Contributions by plan participants		28		-		23		91		51		91
Benefits paid		(4,078)		(3,732)		(2,424)		(2,318)		(6,502)		(6,050)
Settlements		-		-		-		(1,985)		-		(1,985)
Foreign currency exchange rate changes		-		-		(4,465)		(1,008)		(4,465)		(1,008)
Fair value of plan assets at end of year	$	135,590	$	142,090	$	60,663	$	63,071	$	196,253	$	205,161
Net over/(under)funded status at end of year	$	(10,280)	$	4,350	$	(1,568)	$	(464)	$	(11,848)	$	3,886

Schedule of Accumulated Benefit Obligations In Excess of and Less Than Fair Value of Plan Assets

	Plans with accumulated benefit obligation in excess of plan assets				Plans with accumulated benefit obligation less than plan assets
	At September 30,				At September 30,
	2015		2014		2015		2014
Projected benefit obligation	$	(198,165)	$	(25,955)	$	(9,936)	$	(175,320)
Accumulated benefit obligation		(196,694)		(25,955)		(8,918)		(172,509)
Fair value of plan assets		185,623		24,671		10,630		180,490

Schedule of Amounts Recognized in Balance Sheet and Other Comprehensive Income (Loss)

	At or for the Year Ended September 30,
	United States				Other Countries				Total
	2015		2014		2015		2014		2015		2014
Amounts recognized in statement of financial position consist of:
Other non-current assets	$	-	$	5,634	$	694	$	-	$	694	$	5,634
Other non-current liabilities		(10,280)		(1,284)		(2,262)		(464)		(12,542)		(1,748)
Net over/(under)funded status at end of year	$	(10,280)	$	4,350	$	(1,568)	$	(464)	$	(11,848)	$	3,886
Amounts recognized in accumulated other comprehensive income consist of:
Unrecognized net prior service cost	$	4,241	$	4,624	$	-	$	-	$	4,241	$	4,624
Unrecognized net losses		26,861		9,867		13,618		11,902		40,479		21,769
Total amounts recognized		31,102		14,491		13,618		11,902		44,720		26,393
Deferred taxes		(11,890)		(5,527)		(4,817)		(4,131)		(16,707)		(9,658)
Amounts recognized in accumulated other comprehensive income	$	19,212	$	8,964	$	8,801	$	7,771	$	28,013	$	16,735

Schedule of Changes in Plan Assets and Benefit Obligations Recorded in Other Comprehensive Income (Loss)

	Year Ended September 30,
	United States				Other Countries				Total
	2015		2014		2015		2014		2015		2014
Net (gain) loss	$	17,390	$	(4,269)	$	2,771	$	(622)	$	20,161	$	(4,891)
Prior service cost		-		3,355		-		-		-	$	3,355
Loss due to settlement or curtailment arising during the period		-		6,624		-		915		-		7,539
Amortization of:
Net losses		(396)		(330)		(190)		(655)		(586)		(985)
Prior service benefit (cost)		(383)		(97)		-		4		(383)		(93)
Foreign currency exchange rate changes		-		-		(865)		(107)		(865)		(107)
Total recorded in accumulated other comprehensive loss (income)	$	16,611	$	5,283	$	1,716	$	(465)	$	18,327	$	4,818

Schedule of Amounts Expected to be Amortized from Accumulated Other Comprehensive Income (Loss) and Reported as a Component of Net Periodic Benefit Cost During the Next Fiscal Year

	United States		Other Countries		Total
Prior service cost	$	383	$	-	$	383
Net actuarial losses		1,292		263		1,555

Schedule of Expected Benefit Payments

Year Ending September 30,	United States		Other Countries		Total
2016	$	5,140	$	2,214	$	7,354
2017		5,776		2,357		8,133
2018		6,401		2,364		8,765
2019		7,071		2,560		9,631
2020		7,614		2,467		10,081
2021 – 2025		44,971		13,900		58,871

Schedule of Allocation of Plan Assets, Actual and Target Allocations

	At September 30,
	2015				2014
	Percentage of Plan Assets	Target Allocation Ranges			Percentage of Plan Assets	Target Allocation Ranges
United States:
Asset Class
Equity Securities	58.2%	40.7%	-	80.7%	60.0%	40.7%	-	80.7%
Debt Securities	41.5%	29.3%	-	49.3%	39.8%	29.3%	-	49.3%
Other	0.3%	0.0%			0.2%	0.0%
	100.0%				100.0%
United Kingdom:
Asset Class
Equity Securities	36.0%	40.0%	-	70.0%	48.2%	40.0%	-	70.0%
Debt Securities	63.8%	35.0%	-	65.0%	51.7%	35.0%	-	65.0%
Other	0.2%	0.0%			0.1%	0.0%
	100.0%				100.0%
Japan:
Asset Class
Equity Securities	38.6%	36.0%	-	44.0%	40.7%	36.0%	-	44.0%
Debt Securities	60.4%	55.0%	-	63.0%	58.4%	55.0%	-	63.0%
Other	1.0%	0.0%	-	2.0%	0.9%	0.0%	-	2.0%
	100.0%				100.0%

Schedule of Allocation of Plan Assets, Fair Value Hieracrchy

	At September 30, 2015
	Level 1				Level 2				Level 3
	United States		Other Countries		United States		Other Countries		United States		Other Countries		Total
Asset Category:
Cash and cash equivalents	$	467	$	201	$	-	$	-	$	-	$	-	$	668
Mutual funds:
U.S. corporate bond fund		56,210		-		-		-		-		-		56,210
U.S. equity large cap fund		47,517		-		-		-		-		-		47,517
International equity large cap growth fund		31,396		-		-		-		-		-		31,396
Pooled funds:
Japanese equity securities		-		-		-		2,116		-		-		2,116
International equity securities		-		-		-		1,982		-		-		1,982
Japanese fixed income securities		-		-		-		4,805		-		-		4,805
International fixed income securities		-		-		-		1,624		-		-		1,624
Index linked U.K. equity fund		-		-		-		8,687		-		-		8,687
Index linked international equity fund		-		-		-		9,336		-		-		9,336
Index linked U.K. corporate bonds fund		-		-		-		16,613		-		-		16,613
Index linked U.K.  government securities fund		-		-		-		4,716		-		-		4,716
Index linked U.K. long-term government securities fund		-		-		-		10,583		-		-		10,583
Total assets	$	135,590	$	201	$	-	$	60,462	$	-	$	-	$	196,253
	At September 30, 2014
	Level 1				Level 2				Level 3
	United States		Other Countries		United States		Other Countries		United States		Other Countries		Total
Asset Category:
Cash and cash equivalents	$	316	$	168	$	-	$	-	$	-	$	-	$	484
Mutual funds:
U.S. corporate bond fund		56,559		-		-		-		-		-		56,559
U.S. equity large cap fund		49,220		-		-		-		-		-		49,220
International equity large cap growth fund		35,995		-		-		-		-		-		35,995
Pooled funds:
Japanese equity securities		-		-		-		2,330		-		-		2,330
International equity securities		-		-		-		2,067		-		-		2,067
Japanese fixed income securities		-		-		-		4,676		-		-		4,676
International fixed income securities		-		-		-		1,638		-		-		1,638
Global target return equity/bond fund		-		-		-		12,327		-		-		12,327
Index linked U.K. equity fund		-		-		-		6,240		-		-		6,240
Index linked international equity fund		-		-		-		6,593		-		-		6,593
Index linked U.K. corporate bonds fund		-		-		-		16,897		-		-		16,897
Index linked U.K.  government securities fund		-		-		-		4,566		-		-		4,566
Index linked U.K. long-term government securities fund		-		-		-		5,569		-		-		5,569
Total assets	$	142,090	$	168	$	-	$	62,903	$	-	$	-	$	205,161

Multiemployer Plan [Member]

Schedule of Costs of Retirement Plans

		Year Ended September 30,
	2015		2014		2013
Company contributions	$	600	$	728	$	797

Defined Contribution Plan [Member]

Schedule of Costs of Retirement Plans

		Year Ended September 30,
	2015		2014		2013
Company costs	$	30,933	$	24,921	$	20,012

Other Postretirement Benefit Plans, Defined Benefit [Member]

Schedule of Actuarial Assumptions Used

	2015		2014		2013
Weighted-average discount rate used to determine benefit obligation at September 30	4.01	%	4.40	%	5.14	%
Weighted-average discount rate used to determine net periodic benefit cost for years ended September 30	4.40		5.14		4.11

Schedule of Net Periodic Benefit Costs

	Year Ended September 30,
	2015		2014		2013
Service cost	$	30	$	47	$	71
Interest cost		1,233		1,432		1,244
Amortization of:
Net gains		(73)		(200)		(68)
Net prior service benefit		(158)		(158)		(158)
Net periodic cost	$	1,032	$	1,121	$	1,089

Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

	Year Ended September 30,
	2015		2014
Changes in accumulated postretirement benefit obligation:
Accumulated postretirement benefit obligation at beginning of year	$	29,225	$	28,996
Service cost		30		47
Interest cost		1,233		1,432
Premiums paid by plan participants		1,613		1,843
Net actuarial losses		6,705		1,145
Benefits paid		(3,848)		(4,243)
Foreign currency exchange rate changes		(31)		5
Accumulated postretirement benefit obligation at end of year	$	34,927	$	29,225
Changes in fair value of plan assets:
Fair value of plan assets at beginning of year	$	-	$	-
Contributions by the company		2,235		2,400
Premiums paid by plan participants		1,613		1,843
Benefits paid		(3,848)		(4,243)
Fair value of plan assets at end of year	$	-	$	-
Funded status at end of year	$	(34,927)	$	(29,225)

Schedule of Amounts Recognized in Balance Sheet and Other Comprehensive Income (Loss)

	Year Ended September 30,
	2015		2014
Amounts recognized in statement of financial position consist of:
Accrued liabilities	$	(2,481)	$	(2,262)
Other non-current liabilities		(32,446)		(26,963)
Funded status at end of year	$	(34,927)	$	(29,225)
Amounts recognized in accumulated other comprehensive loss (income) consist of:
Unrecognized net prior service benefit	$	(477)	$	(635)
Unrecognized net (gains) losses		3,745		(3,031)
Total amounts recognized		3,268		(3,666)
Deferred taxes		(1,267)		1,388
Amounts recognized in accumulated other comprehensive loss (income)	$	2,001	$	(2,278)

Schedule of Changes in Plan Assets and Benefit Obligations Recorded in Other Comprehensive Income (Loss)

	Year Ended September 30,
	2015		2014
Net loss	$	6,705	$	1,145
Amortization of:
Net gains		73		200
Prior service benefit		158		159
Foreign currency exchange rate changes		(2)		3
Total recorded in accumulated other comprehensive loss	$	6,934	$	1,507

Schedule of Expected Benefit Payments

Year Ending September 30,
2016	$	4,103
2017		4,086
2018		4,082
2019		4,097
2020		4,066
2021 – 2025		19,476

Schedule of Health Care Cost Trend Rates

	2015		2014
Health care cost trend rate assumed for next year	7.00	%	7.00	%
Rate to which the cost trend rate is assumed to decline
(the ultimate trend rate)	5.00	%	5.00	%
Year that the rate reaches the ultimate trend rate	2024		2023

Schedule of Health Care Costs Sensitivity

	Change In Health Care Cost Trend Rate
	1% increase		1% decrease
Effect on projected fiscal year 2016 service and interest cost	$	130	$	(111)
Effect on accumulated postretirement benefit obligation at September 30, 2015		3,372		(2,949)