Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013
Other Intangible Assets [Abstract]
Intellectual property, license agreements and other intangibles	$ 20,855	$ 20,560	$ 19,510
Less: accumulated amortization	(16,972)	(16,755)	(16,405)
Total	3,883	3,805	3,105
Decrease to property and equipment, net and corresponding increase to other intangible assets, net	2,755	3,805
Reclassification of property and equipment to intangible assets	$ 3,900
Useful life for amortization	3 years