CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (PARENTHETICAL) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2012
Statement of Income and Comprehensive Income [Abstract]
Change in pension and post retirement benefits,tax	$ 16

- Definition

The tax effect related to other than temporary impairment (OTTI) loss on a debt security, categorized as Available-for-sale, related to factors other than credit losses when the entity does not intend to sell the security and it is not more likely than not that the entity will be required to sell the security before recovery of its amortized cost basis. This amount is the portion of the tax effect on other than temporary losses related to investments in debt securities categorized as Available-for-sale which includes the portion attributable to the noncontrolling interest, if any; this amount is also referred to as the amount incurred by the reporting entity or the consolidated entity.

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