- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References+ Details

Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at April 1, 2013			$ (8,033)
Other comprehensive income before reclassifications			45
Amounts reclassified from accumulated other comprehensive loss			286
Total other comprehensive income	181	147	331	275
Balance at September 30, 2013	(7,702)		(7,702)
Pension and Other Postretirement Benefits Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at April 1, 2013			(8,443)
Other comprehensive income before reclassifications
Amounts reclassified from accumulated other comprehensive loss			286
Total other comprehensive income			286
Balance at September 30, 2013	(8,157)		(8,157)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at April 1, 2013			410
Other comprehensive income before reclassifications			45
Amounts reclassified from accumulated other comprehensive loss
Total other comprehensive income			45
Balance at September 30, 2013	$ 455		$ 455