Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements Of Operations [Abstract]
Net sales	$ 109,256	$ 115,331	$ 278,933	$ 303,770
Cost of sales	53,891	62,614	141,031	168,390
Gross profit	55,365	52,717	137,902	135,380
Selling and distribution expenses	14,001	15,851	40,569	43,300
Advertising and promotion expenses	12,835	10,498	30,921	29,113
General and administrative expenses	8,000	7,295	20,701	21,542
Gain on disposal and liquidation of subsidiaries	0	0	0	15,294
Government subsidies	105	152	307	447
Income from operations	20,634	19,225	46,018	57,166
Interest expense	4,117	3,315	12,495	11,855
Interest income	2,179	1,807	6,713	5,212
Foreign currency exchange (loss) gain, net	(2,423)	504	(10,975)	1,133
Other expense, net	(179)	(161)	(599)	(824)
Income before income tax expense	16,094	18,060	28,662	50,832
Income tax expense	3,823	205	7,754	3,076
Net income	12,271	17,855	20,908	47,756
Net income attributable to the noncontrolling interest	233	591	768	2,315
Net income attributable to common stockholders	$ 12,038	$ 17,264	$ 20,140	$ 45,441
Weighted average common stock outstanding - basic and diluted	57,026	57,301	57,163	57,301
Earnings per share - basic and diluted	$ 0.21	$ 0.30	$ 0.35	$ 0.79