Other Accrued Liabilities (Schedule of Other Accrued Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Payables and Accruals [Abstract]
Accrued marketing costs	$ 21,473	$ 29,384
Accrued compensation costs	10,591	15,535
Accrued broker commissions	1,487	1,782
Income taxes payable	1,901	3,840
Accrued professional fees	2,244	2,412
Accrued production costs	7,392	4,580
Income tax related payable	0	19,000
Other accrued liabilities	7,013	7,128
Total other accrued liabilities	$ 52,101	$ 83,661