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v2.4.1.9

Schedule of Measurement Dates (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Benefit Obligation |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Measurement Dates | 12/31/2014 | 12/31/2013
Fair Value Of Plan Assets |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Measurement Dates | 12/31/2014 | 12/31/2013

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- Definition The date(s) used to measure (at least the majority of) plan assets and benefit obligations for defined benefit pension and other postretirement benefit plans. Disclosure required by FAS 132R paragraph 5k prior to being amended by FAS 158. + References No definition available. + Details
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