- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References+ Details

Minority Investments - Schedule of Net Investment Activity (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Mar. 31, 2014	Mar. 31, 2014
Schedule Of Results Related To Equity Accounted Investees [Line Items]
Minority interest in net losses			$ (644)us-gaap_GainLossOnInvestments	$ (789)us-gaap_GainLossOnInvestments
Net foreign exchange rate impact	(209)us-gaap_OtherNonoperatingIncomeExpense	(341)us-gaap_OtherNonoperatingIncomeExpense	379us-gaap_OtherNonoperatingIncomeExpense	(908)us-gaap_OtherNonoperatingIncomeExpense
Tres Amigas
Schedule Of Results Related To Equity Accounted Investees [Line Items]
Beginning Balance			1,845
Minority interest in net losses			(644)
Ending Balance	1,201		1,201
Blade Dynamics Ltd.
Schedule Of Results Related To Equity Accounted Investees [Line Items]
Beginning Balance			3,690
Net foreign exchange rate impact			(226)
Impairment			$ (3,464)		$ (3,500)	$ (1,300)	$ (1,300)