The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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Amount of gain (loss) from a decision to temporarily deviate from the substantive plan, or from a change in benefit obligation or plan asset value from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover or salary scale.

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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Pension and Retirement Plans (Detail) - Changes of the benefit obligation, the plan assets and funded status of the plans (USD $) In Thousands, unless otherwise specified							12 Months Ended																											12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 U.S.	Sep. 30, 2012 U.S.	Sep. 30, 2013 Foreign	Sep. 30, 2012 Foreign	Sep. 30, 2013 Pension	Sep. 30, 2012 Pension	Sep. 30, 2013 Pension U.S.	Sep. 30, 2012 Pension U.S.	Sep. 30, 2013 Pension Foreign	Sep. 30, 2012 Pension Foreign	Sep. 30, 2013 Post Retirement	Sep. 30, 2012 Post Retirement	Sep. 30, 2013 Post Retirement U.S.	Sep. 30, 2012 Post Retirement U.S.	Sep. 30, 2013 Post Retirement Foreign	Sep. 30, 2012 Post Retirement Foreign	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Pension	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Pension	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Pension U.S.	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Pension U.S.	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Pension Foreign	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Pension Foreign	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Post Retirement	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Post Retirement	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Post Retirement U.S.	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Post Retirement U.S.	Sep. 30, 2013 Change in projected benefit obligation (“PBO”) Post Retirement Foreign	Sep. 30, 2012 Change in projected benefit obligation (“PBO”) Post Retirement Foreign	Sep. 30, 2013 Changes in fair value of plan assets:	Sep. 30, 2012 Changes in fair value of plan assets:	Sep. 30, 2011 Changes in fair value of plan assets:	Sep. 30, 2013 Changes in fair value of plan assets: Pension	Sep. 30, 2012 Changes in fair value of plan assets: Pension	Sep. 30, 2013 Changes in fair value of plan assets: Pension U.S.	Sep. 30, 2012 Changes in fair value of plan assets: Pension U.S.	Sep. 30, 2013 Changes in fair value of plan assets: Pension Foreign	Sep. 30, 2012 Changes in fair value of plan assets: Pension Foreign	Sep. 30, 2013 Changes in fair value of plan assets: Post Retirement	Sep. 30, 2012 Changes in fair value of plan assets: Post Retirement	Sep. 30, 2013 Changes in fair value of plan assets: Post Retirement U.S.	Sep. 30, 2012 Changes in fair value of plan assets: Post Retirement U.S.	Sep. 30, 2013 Changes in fair value of plan assets: Post Retirement Foreign	Sep. 30, 2012 Changes in fair value of plan assets: Post Retirement Foreign
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation																			$ 18,180	$ 15,866	$ 1,605	$ 1,759	$ 16,575	$ 14,107	$ 882	$ 1,498	$ 882	$ 1,498	$ 0	$ 0
Fair value of plan assets	9,473	8,914																													9,473	8,914	7,598			0	0	8,914	7,598	0	0	0	0	0	0
Funded status																																		(8,549)	(9,266)	(1,371)	(1,605)	(7,178)	(7,661)	(857)	(882)	(857)	(882)	0	0
Net amount recognized	9,406	10,148	2,228	2,487	7,178	7,661	8,549	9,266	1,371	1,605	7,178	7,661	857	882	857	882	0	0																(8,549)	(9,266)	(1,371)	(1,605)	(7,178)	(7,661)	(857)	(882)	(857)	(882)	0	0
Actual gain (loss) on plan assets																																		475	1,004	0	0	475	1,004	0	0	0	0	0	0
Company contributions																																		673	702	222	261	451	441	0	0	0	0	0	0
Foreign exchange impact																																		26	306	0	0	26	306	0	0	0	0	0	0
Service cost							59	71	0	10	59	61	0	0	0	0	0	0	59	71	0	10	59	61	0	0	0	0	0	0
Interest cost							747	792	64	84	683	708	35	71	35	71	0	0	747	792	64	84	683	708	35	71	35	71	0	0
Changes in actuarial assumptions																			(584)	1,876	(76)	0	(508)	271	(60)	0	(60)	0	0	0
Foreign exchange impact																			235	271	0	13	235	1,863	0	(687)	0	(687)	0	0
Benefits paid																			(615)	(696)	(222)	(261)	(393)	(435)	0	0	0	0	0	0				(615)	(696)	(222)	(261)	(393)	(435)	0	0	0	0	0	0
Projected benefit obligation																			18,022	18,180	1,371	1,605	16,651	16,575	857	882	857	882	0	0
Fair value of plan assets	$ 9,473	$ 8,914																													$ 9,473	$ 8,914	$ 7,598			$ 0	$ 0	$ 9,473	$ 8,914	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0