Expected Future Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
2014	$ 2,344
2015	2,464
2016	2,681
2017	2,779
2018	3,019
2019-2023	20,326
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
2014	677
2015	662
2016	1,081
2017	1,055
2018	1,027
2019-2023	$ 4,662

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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