Debt (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Long-term debt	$ 375,308	$ 275,053
Mainland China [Member]
Long-term debt	221,010	154,393
Hong Kong [Member]
Long-term debt	78,031	93,099
France [Member]
Long-term debt	$ 76,267	$ 27,561