Expected Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Pension
Schedule Of Pension Expected Future Benefit Payments [Line Items]
2014	$ 16,969
2015	17,497
2016	18,145
2017	18,653
2018	19,382
Years 2019 — 2023	108,118
Other Benefits
Schedule Of Pension Expected Future Benefit Payments [Line Items]
2014	3,381
2015	3,459
2016	3,580
2017	3,556
2018	3,859
Years 2019 — 2023	$ 20,347

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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

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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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