Schedule of Expected Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Pension Plans, Defined Benefit
Schedule of Pension Expected Future Benefit Payments [Line Items]
2015	$ 5,240
2016	5,509
2017	5,735
2018	5,997
2019	6,216
2020 - 2024	33,992
Total 10-year estimated future benefit payments	62,689
Other Pension Plans, Defined Benefit
Schedule of Pension Expected Future Benefit Payments [Line Items]
2015	1,129
2016	1,184
2017	1,263
2018	1,336
2019	1,424
2020 - 2024	7,881
Total 10-year estimated future benefit payments	$ 14,217

Defined Benefit Plan, Expected Future Benefit Payments, Total

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- Definition

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

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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.

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

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

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