Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Condensed Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 12,271	$ 17,855	$ 20,908	$ 47,756
Foreign currency translation adjustments
Unrealized translation loss during the period	(3,773)	(1,293)	(2,422)	(4,674)
Reclassification of currency translation adjustments realized upon disposal and liquidation of subsidiaries	0	0	0	(7,011)
Other comprehensive income	(3,773)	(1,293)	(2,422)	(11,685)
Comprehensive income	8,498	16,562	18,486	36,071
Less: Comprehensive income attributable to noncontrolling interest	416	591	942	2,316
Comprehensive income attributable to common stockholders	$ 8,082	$ 15,971	$ 17,544	$ 33,755